OpenTechnical

OT-2026-000081788

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented after 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-2026-000081788) never changes.

Identity and time

Publication numberOT-2026-000081788 · never reused
Internal UUID01a0ae97-0f74-774b-abcb-64aeb1250884 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081788
StatusPUBLIC

Content hashes

Canonical text05240ed3f0b6b5f58464da5833696db3def21f1792dac84299e95245a4b80170
Markdown87fb7c7995c116c4e8827de83378b2fbadee0cc2ce3d5ecfdd956ce9a8de9010
PDF
Publication page81787ddf8889ce915710adfc4458b1bd4495dac5c4ca2a76ba8253dbb67749e6
Manifest21f009076a47a5f477c6dac63db40ae2ecc85e98a24e9abcb19771b69f09e141

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
SignatureLXXMfk64VEZQJGN8JrlOwJtEmJMHcsQEbN4rxaFxglZN7TewteO1Lcv+PLRwGBZN0FHJotAxPR+eR/OtZNRgAQ==
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

2026-11-02T20:41:56.281861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081788
observed 81787ddf8889ce915710adfc4458b1bd...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-11-02T20:41:56.234907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081788/manifest.json
observed 21f009076a47a5f477c6dac63db40ae2...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-11-02T20:41:56.180129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081788/publication.md
observed 87fb7c7995c116c4e8827de83378b2fb...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-11-02T20:41:56.081027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081788/publication.txt
observed 05240ed3f0b6b5f58464da5833696db3...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T09:59:53.172365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081788
observed 81787ddf8889ce915710adfc4458b1bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:53.154193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081788/manifest.json
observed 21f009076a47a5f477c6dac63db40ae2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:53.136371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081788/publication.md
observed 87fb7c7995c116c4e8827de83378b2fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:53.118212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081788/publication.txt
observed 05240ed3f0b6b5f58464da5833696db3...
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

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