OpenTechnical

OT-2026-000011562

Publication integrity record

Three cup vacuum gripper, three zone face, single stage ejector, 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-2026-000011562) never changes.

Identity and time

Publication numberOT-2026-000011562 · never reused
Internal UUID01a0ae6c-8900-7a27-bba4-eb0ebeb931d5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:12:23.703080Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011562
StatusPUBLIC

Content hashes

Canonical text07c7d0490b6bd81c54fbdaaa0fafbef6ede2c38e45b54cc67933feeaeba2697f
Markdowne5a1b812cf0b4819f00d5af7ceee83360456c4e93d54da8599a5fe13956a2ac3
PDF
Publication page255c6d523e16da8b7b10baa567f25bbc7db8ea2812a0f99b647d19fb2b4d4e3c
Manifest1b65551e2580ab033e72cdadbc893e0cbe1f14c0397683855a8b8260a9860e80

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
SignatureQ13f21LckGxB89wvrfYBvK/PfpMdp0nuEbruMUoxkklw1bFqjUBr3LfQF/zqycp7Ehr4ddj73IKlKPk6Tef6Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:13:27.568015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011562
observed 255c6d523e16da8b7b10baa567f25bbc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:27.549619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011562/manifest.json
observed 1b65551e2580ab033e72cdadbc893e0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:27.529450ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011562/publication.md
observed e5a1b812cf0b4819f00d5af7ceee8336...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:13:27.509704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011562/publication.txt
observed 07c7d0490b6bd81c54fbdaaa0fafbef6...
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.