OpenTechnical

OT-2026-000026607

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, 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-2026-000026607) never changes.

Identity and time

Publication numberOT-2026-000026607 · never reused
Internal UUID01a0ae71-f4a9-78e2-9419-92882990369e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026607
StatusPUBLIC

Content hashes

Canonical text7fd6a57805fca2ac32bfcbcaede4b81915a61d4189d479d89cca9eeca6573b45
Markdown4e213d40f46fcdf4112c0ae15ad7d5e410f1edd49d5d90548b8befab77d690d1
PDF
Publication page4a03fa822a5c380f06342638810dd5b5e3cf9cf6ae71c6741c06785e9236a562
Manifestdb4ed5904f138afe4fa3c15274131749978166fb9a6fe2d71fcaa28ce079a931

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
SignatureQHvm4TuejDp5otIQmBq2UXIcd2vH8ABUYPEryIWUKfPdvykUpLVwvdsHgb4/q8deWkiw8F0zCTyt+5wikTPeBw==
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

2026-09-17T11:45:40.780107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026607
observed 4a03fa822a5c380f06342638810dd5b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:40.764100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026607/manifest.json
observed db4ed5904f138afe4fa3c15274131749...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:40.746600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026607/publication.md
observed 4e213d40f46fcdf4112c0ae15ad7d5e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:40.719862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026607/publication.txt
observed 7fd6a57805fca2ac32bfcbcaede4b819...
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.