OpenTechnical

OT-2026-000099957

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, single stage ejector, pressure sensor per zone, 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-2026-000099957) never changes.

Identity and time

Publication numberOT-2026-000099957 · never reused
Internal UUID01a0aea3-1473-7b8e-8283-bd20a62dcc0d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099957
StatusPUBLIC

Content hashes

Canonical texta6805476765b4fc6d1161425992957dfc4b692da06759287aa5f1752331fee88
Markdown7b4bb7d36b8275fc3593d13d6e42ef834aa5e050852e0de0472d7312c4c54b85
PDF
Publication pagea58a97f276410f8251e519dc88b3c8c3ba007090157bb4259aa6e8a734fbcac5
Manifest80d6d9f8938a0e6a0a668b80e730d617f0aaa758e89e99c3f8cb6f6ec46fa197

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
SignatureLtTpufY/c3Px37fOKcKqvrGuoAw5zQdapOGRS20WqoWvuRGi5wUWfRUtZMaGnleEjjBQ8BaFm2tvYYHrhkzyAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:30:36.703042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099957
observed a58a97f276410f8251e519dc88b3c8c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:36.682915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099957/manifest.json
observed 80d6d9f8938a0e6a0a668b80e730d617...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:36.662047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099957/publication.md
observed 7b4bb7d36b8275fc3593d13d6e42ef83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:36.642424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099957/publication.txt
observed a6805476765b4fc6d1161425992957df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:52.199427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099957
observed a58a97f276410f8251e519dc88b3c8c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:52.181518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099957/manifest.json
observed 80d6d9f8938a0e6a0a668b80e730d617...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:52.164020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099957/publication.md
observed 7b4bb7d36b8275fc3593d13d6e42ef83...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:52.146931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099957/publication.txt
observed a6805476765b4fc6d1161425992957df...
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.