OpenTechnical

OT-2026-000074461

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, three stage ejector, 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-2026-000074461) never changes.

Identity and time

Publication numberOT-2026-000074461 · never reused
Internal UUID01a0ae93-717a-70bf-9202-90198a1a2e7b · 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-2026-000074461
StatusPUBLIC

Content hashes

Canonical textb2fe63590f4a3c086c3ee445f4b3b79cd29d387d145aa683695b87b9628a88b5
Markdown0bf562fc492eb970381165164b15bc56f918fbd16a0a04ecd23c9d1367687d81
PDF
Publication page58fb66968695d7bd571b71dc1c7eb9c7332b9a4bd710a90f1d796ce9e19764d4
Manifest77ce3211a341b10ee5abda9cc29c7986183b3581dfea8cb1e66e78463a2907c9

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
SignatureHILbyo9cNBrCCoQQdW0cq5XIdZFBs+LLO+jlJTS/QP8SsiiO6scWceHUeWvWmyMxxb0tMdfD55MPOOhqerVHDg==
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

2026-09-17T10:19:25.185286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074461
observed 58fb66968695d7bd571b71dc1c7eb9c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:25.167967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074461/manifest.json
observed 77ce3211a341b10ee5abda9cc29c7986...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:25.150866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074461/publication.md
observed 0bf562fc492eb970381165164b15bc56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:25.132989ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074461/publication.txt
observed b2fe63590f4a3c086c3ee445f4b3b79c...
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.