OpenTechnical

OT-2026-000088747

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump fed, supply line 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-2026-000088747) never changes.

Identity and time

Publication numberOT-2026-000088747 · never reused
Internal UUID01a0ae9b-8f10-7dee-8efc-90f6c0399b7e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088747
StatusPUBLIC

Content hashes

Canonical text5d4ea0cda7306ec62cc0c8bce3865c4ea63cf0d55f805aa4d30c94bff8f33fbc
Markdownfb56a45f35a6d340ced9854fd876d9ba1315e2497602cfe0a86eb8b91e0f7a96
PDF
Publication page77e84788f2ff2c93b4837d5ed46b867e5dfb5274b7347184a1de9cb753bee157
Manifest91eb9f588f9ba73f1818d0680df8647771dc782dcf58a1764959c8ff5c4f41e6

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
SignatureJyMitkQDFZr9/4qZdeHrVpxdll8OuotiFnsp/9RWJholLbkV9q2UoMVpxjyc2xFlGxfdqhDpaF8V8yMWRraYCg==
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

2026-09-17T09:47:59.604158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088747
observed 77e84788f2ff2c93b4837d5ed46b867e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:59.585235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088747/manifest.json
observed 91eb9f588f9ba73f1818d0680df86477...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:59.569254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088747/publication.md
observed fb56a45f35a6d340ced9854fd876d9ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:59.549712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088747/publication.txt
observed 5d4ea0cda7306ec62cc0c8bce3865c4e...
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.