OpenTechnical

OT-2026-000089680

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, two stage ejector, manifold 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-2026-000089680) never changes.

Identity and time

Publication numberOT-2026-000089680 · never reused
Internal UUID01a0ae9c-1a22-7918-bea5-a0dd43a4ddae · 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-2026-000089680
StatusPUBLIC

Content hashes

Canonical text5f5f4df93aba0007a703d07df1565528892d4947553f23b8deca1e0790532819
Markdown9f52b980a308d172e47a47521b28846d2ba22eb6726ea24ac595e724fd01a470
PDF
Publication page47c829acc27a5077fdd441b36049aeb69e4b9eb49869ccc4733859383c395f4c
Manifesta10cc77144ec8462431d97ba150d4bf63bd17c7bc0d1073ee9c4a3b2f2c25d19

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
Signature9L1rezHDZ0CfSmHrkEJuSUY1328GSyVARRyhQCZ5uaaXpjROWanX887ci4IHo+Q+ZUEXXrBV340EAujvOYs/Dg==
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

2026-09-17T09:46:40.608909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089680
observed 47c829acc27a5077fdd441b36049aeb6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:40.590061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089680/manifest.json
observed a10cc77144ec8462431d97ba150d4bf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:40.571728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089680/publication.md
observed 9f52b980a308d172e47a47521b28846d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:40.552375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089680/publication.txt
observed 5f5f4df93aba0007a703d07df1565528...
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.