OpenTechnical

OT-2026-000098157

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000098157) never changes.

Identity and time

Publication numberOT-2026-000098157 · never reused
Internal UUID01a0aea1-e964-709a-b6f8-6e3c40791410 · 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-2026-000098157
StatusPUBLIC

Content hashes

Canonical textd4850fe8163199a84adc1523715cfe0653b32ca2a355da98b08d06405363fdfa
Markdownda81a20e77e9da4195d13f25c3e8e6c40437b34b22f50c39847036e17ab7be86
PDF
Publication page6fd35cdf28b9cd0fe3c57c42b973476021cfd67bbb0436627be3b9ffdbd7966c
Manifestc0a4b4f3bd0f18096fa7685c4b23ac7163ffb6a304372907b5b44631fe9160cf

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
SignaturerYxVQw6q8lMgTohQlSuwcpg4T+9x08Zbp0qwD7GLah6RQEcs4U9s1FOgRxYNLBPfPOGfYa/G1sOtLc/QI5hmCA==
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

2026-09-17T09:31:18.416530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098157
observed 6fd35cdf28b9cd0fe3c57c42b9734760...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:18.399515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098157/manifest.json
observed c0a4b4f3bd0f18096fa7685c4b23ac71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:18.383082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098157/publication.md
observed da81a20e77e9da4195d13f25c3e8e6c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:18.365379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098157/publication.txt
observed d4850fe8163199a84adc1523715cfe06...
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.