OpenTechnical

OT-2026-000098372

Publication integrity record

Foam pad vacuum gripper, four 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-2026-000098372) never changes.

Identity and time

Publication numberOT-2026-000098372 · never reused
Internal UUID01a0aea1-e965-7151-aa92-94d4266efb13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098372
StatusPUBLIC

Content hashes

Canonical textb6d914d939843f9fc87156735ac391dd3ac8d2ef7e6d375b5a27c44b80851c5d
Markdown692b7d1124ac982a33c526dd0202d26340f81fbd4b59027bbf23efb451dd8c23
PDF
Publication pagef6d9448a02d089a51d947767c6337151ad9ef16085858d883936b796e1c35211
Manifestcfa9ef6cdf748f500d2d1221ffcfc2777ae6479e131b0a83a616298fe0a81855

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
Signature6f6nGJgijknfuYC+uMPU/hUxewZs/aZwShODgqa9DYphgcRLJR6le7Ip7PJEIE3sKMrQ+VnXxPzanypMlHDBDg==
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

2026-09-17T09:32:06.499946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098372
observed f6d9448a02d089a51d947767c6337151...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:06.482241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098372/manifest.json
observed cfa9ef6cdf748f500d2d1221ffcfc277...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:06.463539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098372/publication.md
observed 692b7d1124ac982a33c526dd0202d263...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:06.446242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098372/publication.txt
observed b6d914d939843f9fc87156735ac391dd...
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.