OpenTechnical

OT-2026-000077279

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, single stage ejector, pressure sensor per zone, 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-2026-000077279) never changes.

Identity and time

Publication numberOT-2026-000077279 · never reused
Internal UUID01a0ae94-f508-7d9e-a2cc-515605be55ed · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077279
StatusPUBLIC

Content hashes

Canonical text4408e47bdde55a38f4122df05594ac17990e7e2bfa9bfaf605a1ae9db42e06f9
Markdownc0682e89ce4dd06160d6a7ee40246a21c33c238ad7dc04ad79763479bd83bd4a
PDF
Publication page167bd2715d5dec2c2c4ebd995ea5d1af5dac1bf36646cbc4826f8717a33f680e
Manifest33fc2247e35d850fcf392a9d8c1deeed705871c9df1f3af4879bc723635473a6

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
SignatureZFXPSpjEMyQcDyjYMBHP7hGuCKd2tgpLuPV3JUL+VWU/iAj5Nyon9wE7KBtVAMo6VO2caPs6g2HH1J2p4eKnAg==
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

2026-09-17T10:08:54.626052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077279
observed 167bd2715d5dec2c2c4ebd995ea5d1af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:54.606786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077279/manifest.json
observed 33fc2247e35d850fcf392a9d8c1deeed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:54.588112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077279/publication.md
observed c0682e89ce4dd06160d6a7ee40246a21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:54.567443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077279/publication.txt
observed 4408e47bdde55a38f4122df05594ac17...
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.