OpenTechnical

OT-2026-000064275

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000064275) never changes.

Identity and time

Publication numberOT-2026-000064275 · never reused
Internal UUID01a0ae8d-a460-7a88-8003-0d39daf50b58 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064275
StatusPUBLIC

Content hashes

Canonical text1a08f39a1c78a5efb303f30f4a50655c092c1a2b7266ab5d3c9f92d2abb6a14b
Markdown7cb660e55adbfc0438a89d407df2ce8823bcbcef18e52b58a5c3a97d62bb3272
PDF
Publication pagebba770ce9cabaab2f34d42e212f7dc456fcc81adbb934cf6417908813d9961f2
Manifest0c8f695e613f39869d7f296a1e9c7bc400604ba967dd653c38f6b8408fa58a03

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
SignatureOvo1xVEbB4n4GGp+CkCSnSsaIr4j3DCcBY2iY5nB+Bt5ZTGAMfMiEGGWUOi7ravMDWiw21BlEF8R+fFQ30r1AQ==
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

2026-09-17T10:36:24.809214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064275
observed bba770ce9cabaab2f34d42e212f7dc45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:24.790532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064275/manifest.json
observed 0c8f695e613f39869d7f296a1e9c7bc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:24.774426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064275/publication.md
observed 7cb660e55adbfc0438a89d407df2ce88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:24.758660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064275/publication.txt
observed 1a08f39a1c78a5efb303f30f4a50655c...
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.