OpenTechnical

OT-2026-000074295

Publication integrity record

Foam pad vacuum gripper, three zone face, three 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-2026-000074295) never changes.

Identity and time

Publication numberOT-2026-000074295 · never reused
Internal UUID01a0ae93-7178-73ee-9f48-855a346d9000 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074295
StatusPUBLIC

Content hashes

Canonical text570ecf5f65b241588fb4f01c13a4607c47e1e7928d8dc67f4029fa1acf753f98
Markdown7313d03fd166132762966fe71a6da7396e01ddf01927c508bf318a179acd667b
PDF
Publication page486e078ae97c84b963322fc9307b2665b366ae9a773d3b61fbf7b0bcc070fa1c
Manifest8472384cb28155c0d3a6c01b6fdfd0a423ba647c6229db8af27878b49ffbe481

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
Signature6cp1QzZN/2dBrJwEN+3aepqBBA/x9F1D7Zoe/ad3RQ1a7mKNIbLwnpNDW2GWpTECaFMsIdGFByNPNeI4YV1nCw==
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

2026-09-17T10:19:12.367420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074295
observed 486e078ae97c84b963322fc9307b2665...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:12.349358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074295/manifest.json
observed 8472384cb28155c0d3a6c01b6fdfd0a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:12.332554ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074295/publication.md
observed 7313d03fd166132762966fe71a6da739...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:12.314629ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074295/publication.txt
observed 570ecf5f65b241588fb4f01c13a4607c...
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.