OpenTechnical

OT-2026-000098685

Publication integrity record

Foam pad vacuum gripper, four zone face, six 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-2026-000098685) never changes.

Identity and time

Publication numberOT-2026-000098685 · never reused
Internal UUID01a0aea2-42ae-7c27-a11d-8f2871d9e272 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:04.634453Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098685
StatusPUBLIC

Content hashes

Canonical textc3a78c50ac7b7f2168a775d2980e26802f8f2144a5fb43cf0530d3d81a273abb
Markdown9054ffec40a51298e3baca5dededf62b8156b66a99b8fc807a6ba12e1f6347da
PDF
Publication pagea5cddce2dcf505952b3b3d4c43d4593b13101d44938bc6d4303aa8ed887f2157
Manifest9b93a2a37c7764e09bbb9e089273b89879ac7a18bdaec447419cfc647842f218

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
Signaturei7sRhDzoCsxR/w+QY4gqFTM7LKtrxdy6hFP0QuifFaK8cOaTjiywDTFll7MYph06uUe1qqeHBD6tYGPnwtLgDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:59.272608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098685
observed a5cddce2dcf505952b3b3d4c43d4593b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:59.255810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098685/manifest.json
observed 9b93a2a37c7764e09bbb9e089273b898...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:59.238348ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098685/publication.md
observed 9054ffec40a51298e3baca5dededf62b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:59.220864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098685/publication.txt
observed c3a78c50ac7b7f2168a775d2980e2680...
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.