OpenTechnical

OT-2026-000047026

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, sustained blow-off after set-down, on a tool changer

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-2026-000047026) never changes.

Identity and time

Publication numberOT-2026-000047026 · never reused
Internal UUID01a0ae7e-d0f7-78e1-9500-c19136c58e84 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047026
StatusPUBLIC

Content hashes

Canonical text438afd5b390d2558bc5ad159040312759c9386b6988ff5d2dcdc35564d242a3c
Markdownfe387e1d6c4ed450f76eeba3eb0090b8cb506f82b393f0d2575ae3a458724e5d
PDF
Publication pageb6393afa76085b720a464f1292bcbbd001f8f713734e0b2239bc85771c5492d8
Manifest03b5da98772c66374eb04ce2f55a0b88eadd09cab8d76e367cadfd92bfb3373e

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
SignatureiwzPfmya+yLsuU7z43OIJ3mxA4/9u2VBgK4L+aALtNXmCLHCZkzdsM9mrcCysuyqDN6XRip6gT+Qr85sIV7HCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:10:18.593903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047026
observed b6393afa76085b720a464f1292bcbbd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:18.575942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047026/manifest.json
observed 03b5da98772c66374eb04ce2f55a0b88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:18.557279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047026/publication.md
observed fe387e1d6c4ed450f76eeba3eb0090b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:18.539799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047026/publication.txt
observed 438afd5b390d2558bc5ad15904031275...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:47.215461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047026
observed b6393afa76085b720a464f1292bcbbd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:47.197631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047026/manifest.json
observed 03b5da98772c66374eb04ce2f55a0b88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:47.179514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047026/publication.md
observed fe387e1d6c4ed450f76eeba3eb0090b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:47.160805ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047026/publication.txt
observed 438afd5b390d2558bc5ad15904031275...
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.