OpenTechnical

OT-2026-000054970

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000054970) never changes.

Identity and time

Publication numberOT-2026-000054970 · never reused
Internal UUID01a0ae86-5e80-78ba-b04b-20fbd5c18f1f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:36.756598Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054970
StatusPUBLIC

Content hashes

Canonical text0cb1d5d2b4840a3d245913a580f85b3af723f991dbdbcb01f73d6efacbfdcfb2
Markdowna16da049e831521e1515150a13e6f82aa4b35102e2d88c015b41d7fb1528004e
PDF
Publication pageac2a18fdddeca1bc516ee81e89208359e639f13288a828741f253c38a1a1b51f
Manifest897043d2b6437425165bc82859400a6d9281b48e2a846970b00fcd621ca5b7fb

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
SignaturexIvzqzmw3AAr2TiaubwSd4AEuzfjz48kjVJER5s2J6Ajy2rGvAQlSPwCFaBg6VugEHzZjEsMt5WWjhXTPy9rCQ==
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

2026-09-17T10:53:05.195571ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054970
observed ac2a18fdddeca1bc516ee81e89208359...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:05.173753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054970/manifest.json
observed 897043d2b6437425165bc82859400a6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:05.154775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054970/publication.md
observed a16da049e831521e1515150a13e6f82a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:05.136709ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054970/publication.txt
observed 0cb1d5d2b4840a3d245913a580f85b3a...
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.