OpenTechnical

OT-2026-000064287

Publication integrity record

Three cup 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-2026-000064287) never changes.

Identity and time

Publication numberOT-2026-000064287 · never reused
Internal UUID01a0ae8d-a460-7f45-8740-e61fa7c7cead · 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-2026-000064287
StatusPUBLIC

Content hashes

Canonical text7a3e893df61bbc87fde65234df1cd3ef9bf35486fd363bfeb486f33086c3ba3c
Markdown07b203f963130e77151017d351dd12e1025444c9e5ea19b22c59bd3c88f249d9
PDF
Publication page352e454756f8ab6187ee2a47a3b0a1881a65c73f05cbf2889c1e20b55274320c
Manifestc58b219a36c7d848f2127e979ecc6f5940bad8a08a98d0079567533ec331a845

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
SignatureaK+X1IxR1qfJMNU10bHKyajEhrOwEil2qVsbosHSTz/1188vl5ONpKTd8uUyat1uNZAJxuyu3WiAue2RsEs2Dg==
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

2026-09-17T10:36:25.805295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064287
observed 352e454756f8ab6187ee2a47a3b0a188...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:25.788458ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064287/manifest.json
observed c58b219a36c7d848f2127e979ecc6f59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:25.769464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064287/publication.md
observed 07b203f963130e77151017d351dd12e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:25.750311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064287/publication.txt
observed 7a3e893df61bbc87fde65234df1cd3ef...
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.