OpenTechnical

OT-2026-000085119

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, pump fed, 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-2026-000085119) never changes.

Identity and time

Publication numberOT-2026-000085119 · never reused
Internal UUID01a0ae99-43b9-7e25-8d9e-286ec6646a3c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085119
StatusPUBLIC

Content hashes

Canonical text41d5a4c6fa9ec39bfae22f007cb61acc05d91facd050729fa28b4f4760d41fbd
Markdownccc7c0e9b2e569394a5cdb73df4b3854a60ea5f76fad98ae0f6596fde075aafb
PDF
Publication pageec21966aa508ae3f6c758b3485ba1a3ca13e314684351fe377a762353606e21b
Manifest2dcb14d10e306a74a47c8e492075ee57bdaf485b1c3e87329f7c583f99adeb22

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
SignatureZlQRAp0Clsb1kFaur5SaGo7CSgwW+a++YUA9AtWQfdynmh1gZG2exyGBSt36AvNRRZZEzr9GcAXEj1f36BULCw==
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

2026-09-17T09:55:11.466430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085119
observed ec21966aa508ae3f6c758b3485ba1a3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:11.449419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085119/manifest.json
observed 2dcb14d10e306a74a47c8e492075ee57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:11.431085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085119/publication.md
observed ccc7c0e9b2e569394a5cdb73df4b3854...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:11.412768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085119/publication.txt
observed 41d5a4c6fa9ec39bfae22f007cb61acc...
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.