OpenTechnical

OT-2026-000077668

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, vented after set-down

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-2026-000077668) never changes.

Identity and time

Publication numberOT-2026-000077668 · never reused
Internal UUID01a0ae95-2ecf-7adc-a038-d1b4a552b84e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077668
StatusPUBLIC

Content hashes

Canonical text960dbc16f1d787f857b651dc9d7252e93c33b5abea0f51d98a190f49e48ffbba
Markdown1eafc09e08cf46ac2c845e444f722b4ddd372abe316f5946bd77865ff1dd703a
PDF
Publication page38e008406a28813ab842fae5fd57afe373d25a6468f34b864ae28825457579a3
Manifest391f35ba7f261919a0062a010947b4fb5b045f915c954d84c281ef20de7149eb

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
Signature4D1sOINHaZ3KgFHOIQc/ubZCfJP36FWOy9abSA8t+fvErt3Tm8rOKEF4+tl/44GbdIa0DaCtKks9USo605DJCA==
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

2026-09-24T08:41:07.124427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077668
observed 38e008406a28813ab842fae5fd57afe3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-24T08:41:07.042270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077668/manifest.json
observed 391f35ba7f261919a0062a010947b4fb...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-24T08:41:06.993282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077668/publication.md
observed 1eafc09e08cf46ac2c845e444f722b4d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-24T08:41:06.921438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077668/publication.txt
observed 960dbc16f1d787f857b651dc9d7252e9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:43:26.363578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077668
observed 38e008406a28813ab842fae5fd57afe3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:43:26.174994ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077668/manifest.json
observed 391f35ba7f261919a0062a010947b4fb...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:43:25.842821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077668/publication.md
observed 1eafc09e08cf46ac2c845e444f722b4d...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T20:43:25.499147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077668/publication.txt
observed 960dbc16f1d787f857b651dc9d7252e9...
fetched by grabo-systems from 34.44.131.203, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent