OpenTechnical

OT-2026-000013608

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, 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-2026-000013608) never changes.

Identity and time

Publication numberOT-2026-000013608 · never reused
Internal UUID01a0ae6d-8de8-7145-af9e-e63bdba59637 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013608
StatusPUBLIC

Content hashes

Canonical text58af275e57e75f062f76809dcec63a8a8eac7a4938ba9748d717446b74d9f33c
Markdownda682968b4c56c7e2fef381f5bc5fc1ff76f27b671bdf56be28bd35023fffeef
PDF
Publication pageb6814b87a996e4ef7be75d7c6e35d984edb3d3d5a8a193fb8b3288589cb80fd2
Manifest9f097e8030672e586d6785aa34bedb1777bd590de32ff711510162715db8e6e2

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
SignatureYVVR9lPlrXm2cF3MIhvkAInIeQPBZMGFJYTL5JMH3oerhpBk0nJursoBjwsY/xxKfeKAc1iyy8RkbvAT3m25BQ==
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

2026-09-17T12:10:31.026693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013608
observed b6814b87a996e4ef7be75d7c6e35d984...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:31.008661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013608/manifest.json
observed 9f097e8030672e586d6785aa34bedb17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:30.989526ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013608/publication.md
observed da682968b4c56c7e2fef381f5bc5fc1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:30.970247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013608/publication.txt
observed 58af275e57e75f062f76809dcec63a8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:32.102007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013608
observed b6814b87a996e4ef7be75d7c6e35d984...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:32.085223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013608/manifest.json
observed 9f097e8030672e586d6785aa34bedb17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:32.066220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013608/publication.md
observed da682968b4c56c7e2fef381f5bc5fc1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:32.047642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013608/publication.txt
observed 58af275e57e75f062f76809dcec63a8a...
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.