OpenTechnical

OT-2026-000089637

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, pump fed, manifold pressure sensor, sustained blow-off before set-down

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-2026-000089637) never changes.

Identity and time

Publication numberOT-2026-000089637 · never reused
Internal UUID01a0ae9c-1a21-7570-bc22-6fba1b6dee9d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089637
StatusPUBLIC

Content hashes

Canonical text943b9a6637f556dad7fd882ed8b7cf90539c1beed9ce0b8acdfebf1d835f24b4
Markdown7a17003c8148033fc199da23ad2dfea3d3a80bac048dfb2c0e861e60be59b84f
PDF
Publication page265a687f06021a3c3830b4644285b379d520d1b2f4efbbce5e5965aab8896d3e
Manifestf39925f0b099a2664c93e1e4ab445d678e4f79d28a399dcda0c79f258364dec7

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
SignatureFQlR3eUZMeXDfyP88/HyL2u0aMRVPN7jdmswWpzIgDkTFMff6SbPiQQVdksk+zjxkQVU9deBVAj1rl4Tx1X9DA==
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

2026-09-17T09:46:24.478866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089637
observed 265a687f06021a3c3830b4644285b379...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:24.462448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089637/manifest.json
observed f39925f0b099a2664c93e1e4ab445d67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:24.445355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089637/publication.md
observed 7a17003c8148033fc199da23ad2dfea3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:24.413994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089637/publication.txt
observed 943b9a6637f556dad7fd882ed8b7cf90...
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.