OpenTechnical

OT-2026-000088081

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, three stage ejector, supply line pressure sensor, sustained 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-2026-000088081) never changes.

Identity and time

Publication numberOT-2026-000088081 · never reused
Internal UUID01a0ae9b-1aa7-7a63-8055-c6c9f10ead6f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088081
StatusPUBLIC

Content hashes

Canonical text7bd7c2dc9fd2ae76bdf0a0dca73a518d379e00abe2180083cb1796bdd39cab8f
Markdown1daa73f7f6b0f4d3c75880ea8313eb8d8ecfd2e98a7902a5735d192ce7fc80ea
PDF
Publication pagec2488749ea886547150c23a3e9803a3aaa25fe4ef32d611a86ba5fca52c7f046
Manifest50eae3102f7b2b9a548a5eac8ad8b1317de5308125a715e79aefd6a51cfd3f8a

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
SignatureatQGUyxAsB5YcncPuuAj5M6A4soNpmR6UQbegIbnVXEt9rqyo2NrHOSvoxVGvAQs+kxe/KhL0yMtoVvXmo47CA==
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

2026-09-17T09:50:05.089344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088081
observed c2488749ea886547150c23a3e9803a3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:05.069623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088081/manifest.json
observed 50eae3102f7b2b9a548a5eac8ad8b131...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:05.052265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088081/publication.md
observed 1daa73f7f6b0f4d3c75880ea8313eb8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:05.034877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088081/publication.txt
observed 7bd7c2dc9fd2ae76bdf0a0dca73a518d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:04.279495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088081
observed c2488749ea886547150c23a3e9803a3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:04.258853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088081/manifest.json
observed 50eae3102f7b2b9a548a5eac8ad8b131...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:04.242425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088081/publication.md
observed 1daa73f7f6b0f4d3c75880ea8313eb8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:04.223425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088081/publication.txt
observed 7bd7c2dc9fd2ae76bdf0a0dca73a518d...
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.