OpenTechnical

OT-2026-000087510

Publication integrity record

Two cup vacuum gripper, two zone face, pump fed, 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-2026-000087510) never changes.

Identity and time

Publication numberOT-2026-000087510 · never reused
Internal UUID01a0ae9a-cd51-785a-82ea-3f738e9c35d6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087510
StatusPUBLIC

Content hashes

Canonical text6d664be478aa2e8526e501f24e81a3873b5525faac9c1178174000b1c6aaa1b5
Markdownba235482c3ccc14e1db0b6414972f35c1bd1189a130eae1f8673dd30691424a1
PDF
Publication pagefcaf218a441a4483268d3a57354af2ac2f3ba08391534ae2765f8cfa47071f00
Manifestc118c00d6196e1e3a2c6205e7e2c8425c2e2572004b05f05277c6c2d97b4230b

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
Signaturek3//3aiLqK6AAaQHWiSwb0xDKE7f5uxiy/XIFSkc9xetTGtXNGC/pu4iV9QTXgGSs3nZ6bykFKM1j21GnR3QCg==
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

2026-09-17T09:50:50.675493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087510
observed fcaf218a441a4483268d3a57354af2ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:50.657896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087510/manifest.json
observed c118c00d6196e1e3a2c6205e7e2c8425...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:50.640827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087510/publication.md
observed ba235482c3ccc14e1db0b6414972f35c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:50.624684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087510/publication.txt
observed 6d664be478aa2e8526e501f24e81a387...
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.