OpenTechnical

OT-2026-000079767

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two 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-2026-000079767) never changes.

Identity and time

Publication numberOT-2026-000079767 · never reused
Internal UUID01a0ae96-4375-7f8d-9fe9-4d216b356dea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079767
StatusPUBLIC

Content hashes

Canonical text122fe3902a333c4abec2a2378bd4cb016b75b1936a463f68a805ef3c4cc1f9e1
Markdown80857da5dcbfc033c96155d672b4bc376a2fef9a6fe6e8b239cec05734ffacf6
PDF
Publication page63b64ebb322d39c39203aee5a2d31697c9be3abdddbe4223cd65f871f95dae03
Manifest674d165c51d8b463c8a0f21933d9f6d37fc2703ad27fabb7019d0e30c5a2f94b

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
Signatureaw7YqJo23vIajP3MI+FalQB/Fu9xjSlZtrfbtVBjoExWSjSa7saArPPjPL1RGyjNf1hoK38z5+4HBFNbLe4PCg==
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

2026-09-17T10:03:38.321045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079767
observed 63b64ebb322d39c39203aee5a2d31697...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:38.302730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079767/manifest.json
observed 674d165c51d8b463c8a0f21933d9f6d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:38.284139ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079767/publication.md
observed 80857da5dcbfc033c96155d672b4bc37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:38.266166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079767/publication.txt
observed 122fe3902a333c4abec2a2378bd4cb01...
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.