OpenTechnical

OT-2026-000103757

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, plant vacuum fed, pulsed blow-off after 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-2026-000103757) never changes.

Identity and time

Publication numberOT-2026-000103757 · never reused
Internal UUID01a0aea4-e462-7d20-9ff2-6be60abe186b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103757
StatusPUBLIC

Content hashes

Canonical text1c53e88a4ea8d78342b653a5bd3139f907d2a06aa1a4c2a1149feba1fa88f8a1
Markdown9db7c2f774218afc71141bcd9071dabc60a54ff0ab2fa53170bfff8d060baedc
PDF
Publication pagea53181b59c433a4388dabecc30123274ea8154cd49364c817fe7a34e0990a9a1
Manifest955b6da2213207f6e49379af77bdbeac8e6f9c4817a3d9087f4f856bcc516e1d

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
SignatureCdeXfmWY6gWge0z3zgl5JGum5VMQOYbPIKtinUKHOiZ6K/IK8Bj51lwEqGXea7gQ+cKgPnHmMgvP/LdswpxPCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:42.726930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103757
observed a53181b59c433a4388dabecc30123274...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:42.711040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103757/manifest.json
observed 955b6da2213207f6e49379af77bdbeac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:42.695227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103757/publication.md
observed 9db7c2f774218afc71141bcd9071dabc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:42.679279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103757/publication.txt
observed 1c53e88a4ea8d78342b653a5bd3139f9...
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.