OpenTechnical

OT-2026-000074711

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed 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-2026-000074711) never changes.

Identity and time

Publication numberOT-2026-000074711 · never reused
Internal UUID01a0ae93-ac2b-707f-92ee-f22815d5c362 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074711
StatusPUBLIC

Content hashes

Canonical text248d1e13273a282997becc10ab2c3350eabac5c550d6f98306c3455f0dc5589c
Markdownaad2366f0ed325162e7a3c11a585230376ad5be561335e4ae0fcc69a1269374b
PDF
Publication page9c02bdfd9b463b414f691efec163df769eeac0467c4e473b6a62b167728ca546
Manifest09313f4c250652134484880f5438dc2050c2c5d6f8144503789eeb3a38819041

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
SignatureLoWDWYa5u36/p2PU/VhvYfzAFlYxprdwkvOv0eXg/Plj4iaykr7dDhHtlBvHOd/jc4vmA1ZGefAHwnV+4zl0Aw==
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

2026-09-17T10:18:18.265046ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074711
observed 9c02bdfd9b463b414f691efec163df76...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:18.248695ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074711/manifest.json
observed 09313f4c250652134484880f5438dc20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:18.230983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074711/publication.md
observed aad2366f0ed325162e7a3c11a5852303...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:18.214082ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074711/publication.txt
observed 248d1e13273a282997becc10ab2c3350...
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.