OpenTechnical

OT-2026-000057502

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, single stage ejector, manifold pressure sensor, vented before 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-2026-000057502) never changes.

Identity and time

Publication numberOT-2026-000057502 · never reused
Internal UUID01a0ae88-2692-7c41-bc04-dddbf0b1e420 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057502
StatusPUBLIC

Content hashes

Canonical text20bd65a4da091afed7f7e7582b94366754355eb753f5ea91eb6fd7da2344d4e2
Markdowndb8a7efe9bd83de639e6910f3dfa3047ae53495339e5df5fbdbf27ee9146a52e
PDF
Publication pageca6554b7ed8ca1cf4e95cd15df19783f1b43eb1226f4b173dc8f34e2b1c2fe36
Manifestf7730c87976c8806dcf49b909c3f8547ebc7e842d93b0bbfd30c19990146b9a0

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
Signature88KJfdAeKejDMxj1A0huYdOpuma998avj5+MVEKh5vhkbrzD+8etGS+0yF18/OAo1L5YIMl1pcGcH7F1vQzEBA==
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...

Independent retrieval

2026-09-17T10:48:01.807809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057502
observed ca6554b7ed8ca1cf4e95cd15df19783f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:01.790158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057502/manifest.json
observed f7730c87976c8806dcf49b909c3f8547...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:01.770434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057502/publication.md
observed db8a7efe9bd83de639e6910f3dfa3047...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:01.752264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057502/publication.txt
observed 20bd65a4da091afed7f7e7582b943667...
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.