OpenTechnical

OT-2026-000085926

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, sustained blow-off before 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-2026-000085926) never changes.

Identity and time

Publication numberOT-2026-000085926 · never reused
Internal UUID01a0ae99-e82a-760f-b49c-89f6013bc762 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085926
StatusPUBLIC

Content hashes

Canonical textcea1f2d6841df37223a34c464f3739877bad5615c90bc878c52d94c02da4f411
Markdown52c618da81037db4d6a6e3731a268cc3b70dcfde6a351d077e4630a0b2d4bcf2
PDF
Publication pageb8f0dd3c455537eeefae612ee2e36c96eb5256c457c6907919d518af6eb90506
Manifestf004ee844acd415be8665b289bf7c2988f710b2316ac473edf7f749f65a11375

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
SignatureeFtRWfkME0gEqOE/8Zt5KOmS3bbSFskaqXeF+rIfeki7zLo6U4d0OM1KVSW0Koc5NKNjiY7KUQk1v2df0hiQDQ==
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

2026-09-17T09:52:52.639750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085926
observed b8f0dd3c455537eeefae612ee2e36c96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:52.622975ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085926/manifest.json
observed f004ee844acd415be8665b289bf7c298...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:52.605190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085926/publication.md
observed 52c618da81037db4d6a6e3731a268cc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:52.588704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085926/publication.txt
observed cea1f2d6841df37223a34c464f373987...
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.