OpenTechnical

OT-2026-000088858

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, 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-2026-000088858) never changes.

Identity and time

Publication numberOT-2026-000088858 · never reused
Internal UUID01a0ae9b-8f10-78ec-baf4-8aaf5602589a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088858
StatusPUBLIC

Content hashes

Canonical text94d566b7f9c95f24d419bce2bbd92bc25dc288e5b418854560cc6214e6396fba
Markdowne4123a80a9d1b31ed0838a049f536d730a01f3fb9d5d1edb3a34d57e032ca770
PDF
Publication page39877c4a41b2b1538f159bf91b16fcb8010bec0c1cf9e7c8ba3ca61cc1562b62
Manifestcd5f496941bdb04a827e01b008cbd7f4df92dbd21355b11b9c6b2217411616d5

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
Signaturez1TRmlcFPs/uI2xW+mWygLvUTMEBcQPRzYksANiWqAb17gOuBNeTAhO38ifX/d9qIYGoKLGLMzNAYi0czHFTCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:48:15.114569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088858
observed 39877c4a41b2b1538f159bf91b16fcb8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:15.097498ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088858/manifest.json
observed cd5f496941bdb04a827e01b008cbd7f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:15.080839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088858/publication.md
observed e4123a80a9d1b31ed0838a049f536d73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:15.063342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088858/publication.txt
observed 94d566b7f9c95f24d419bce2bbd92bc2...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent