OpenTechnical

OT-2026-000057255

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000057255) never changes.

Identity and time

Publication numberOT-2026-000057255 · never reused
Internal UUID01a0ae87-d5bb-7e28-ac1e-fa71f004ab0d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057255
StatusPUBLIC

Content hashes

Canonical text390648e2c3755d565ebf93d4554eaa1f1508b7e9b246d3eb0da69049b4269a05
Markdown9966050a62716af3c7cb0f9d4476854317f740e0007cab6b5bbd00fbc12253e6
PDF
Publication page70e43cd528cff4144b52e2d64374067f18946d76a3a5a5f0362d7214923f18d5
Manifestbadfc88b88dbea9fdd77a010c8e937aac99e72dc82cde90cfcd5c085ee891c5d

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureUMYcCxm2Z5l9Y202ghk0vIdA1ksO2ItwePa7pCNIdCl0jAeBT84GH0rnrN2PfUAN1BA2eDkDYufkQ/k2jgsxBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:19.408723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057255
observed 70e43cd528cff4144b52e2d64374067f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:19.389786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057255/manifest.json
observed badfc88b88dbea9fdd77a010c8e937aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:19.368725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057255/publication.md
observed 9966050a62716af3c7cb0f9d44768543...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:19.348849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057255/publication.txt
observed 390648e2c3755d565ebf93d4554eaa1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:24.955664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057255
observed 70e43cd528cff4144b52e2d64374067f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:24.938574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057255/manifest.json
observed badfc88b88dbea9fdd77a010c8e937aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:24.920266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057255/publication.md
observed 9966050a62716af3c7cb0f9d44768543...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:24.903555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057255/publication.txt
observed 390648e2c3755d565ebf93d4554eaa1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.