OpenTechnical

OT-2026-000098078

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single 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-2026-000098078) never changes.

Identity and time

Publication numberOT-2026-000098078 · never reused
Internal UUID01a0aea1-e963-79f4-9510-4cf4d8ea1366 · 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-2026-000098078
StatusPUBLIC

Content hashes

Canonical text1f7d3b0e37b8635a44510e06c4f8ec909e130c0739add05b80e4e88aeb498cb2
Markdown8508701d55a140e951480b478bfe345404a2f8ea0e983cb0cd0741fe2436a4d0
PDF
Publication pagec760e3198d1187010bb1f3fd73fc22f2944a71b66d4513698d33e61d743cda49
Manifest52aa139d2134b8365382786fcb3d9428e63623c43d62806e53f38dbd17d766d6

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
SignatureLJ5thxtNhKvBH4mpdJmObZklG/ImlnRV+agUmSF5+PPZaOspkYWpFbO5k5rgKSM8WfYHYTKUPlNDuSvHPtwsDg==
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

2026-09-17T09:31:12.619560ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098078
observed c760e3198d1187010bb1f3fd73fc22f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:12.602749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098078/manifest.json
observed 52aa139d2134b8365382786fcb3d9428...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:12.584405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098078/publication.md
observed 8508701d55a140e951480b478bfe3454...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:12.567085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098078/publication.txt
observed 1f7d3b0e37b8635a44510e06c4f8ec90...
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.