OpenTechnical

OT-2026-000027506

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000027506) never changes.

Identity and time

Publication numberOT-2026-000027506 · never reused
Internal UUID01a0ae72-6998-7048-aa41-b31bd84b70dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027506
StatusPUBLIC

Content hashes

Canonical text068deaaad179773ee7cfbfdac72d1e1db840ea402047b1e37092e1b13df3811e
Markdowncc52b0b82afd5315502a497325f34137e5afd6a89fc32ea1fdf8ef3051d1af76
PDF
Publication page85967945a95a63c7378dff5d6a71af27bfd9080af72ee1645be06327b147f549
Manifest538ce8f84d45e3307f0923ac16f5cf5fdd9f91ea42b1e85a11255cf25e9f3d6e

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
SignatureX0vS1RUi0lqMe6vtJKEZBn/cGWNQxEVuaT91xaJiC8HGnyTcL7WH/ctqItwjyk4425tTVdrceCr49l75GfxdBw==
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

2026-09-17T11:42:58.711497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027506
observed 85967945a95a63c7378dff5d6a71af27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:58.693330ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027506/manifest.json
observed 538ce8f84d45e3307f0923ac16f5cf5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:58.676188ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027506/publication.md
observed cc52b0b82afd5315502a497325f34137...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:58.613645ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027506/publication.txt
observed 068deaaad179773ee7cfbfdac72d1e1d...
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.