OpenTechnical

OT-2026-000079581

Publication integrity record

Two cup vacuum gripper, two zone face, three stage ejector, 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-2026-000079581) never changes.

Identity and time

Publication numberOT-2026-000079581 · never reused
Internal UUID01a0ae96-0b92-7090-aae0-c43e625f064d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079581
StatusPUBLIC

Content hashes

Canonical text776a57d21304f4f51c5761ff4ffb4601af39ae86785c1cbd854740a3495ba0e3
Markdownb2794a85700bb9b224e6f8eca3cb2abfa6bbaf3f3cae79acac8b53d28df1b03f
PDF
Publication page078850187b9103943a1c01f461690a723f1bebc9169b4067c1297c9078b8736c
Manifest068690234bf95fd942cf9c35f8dad702b1e74b66cdf81ae16a15a9b26f7e2f96

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
Signature2Irlp0/vPD/zHIsvJWSVwcwwsFLNnRk4USbwz9JWrJKQq55fOFG4dmSf0dL0kNDSF+WhyjbPcGbsL4TIAzhnBw==
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

2026-09-17T10:05:14.045494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079581
observed 078850187b9103943a1c01f461690a72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:14.026860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079581/manifest.json
observed 068690234bf95fd942cf9c35f8dad702...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:14.007399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079581/publication.md
observed b2794a85700bb9b224e6f8eca3cb2abf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:13.988883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079581/publication.txt
observed 776a57d21304f4f51c5761ff4ffb4601...
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.