OpenTechnical

OT-2026-000085990

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two stage ejector, 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-2026-000085990) never changes.

Identity and time

Publication numberOT-2026-000085990 · never reused
Internal UUID01a0ae99-e82a-7502-9aac-55b76ec08f43 · 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-2026-000085990
StatusPUBLIC

Content hashes

Canonical textd9261475376aa8924237028d706230ac4c5f66bc0045142569e37b802eb82bc2
Markdowna94cf1a35ca36b78b5d1a874ed7bca77ff5c84ea23fdcf9d11c029d64b010470
PDF
Publication pagefaec33e36db531e2c162bca80a406d6f86352b4a882907fdc3f266ebd23686e8
Manifest896336a5518bd20ba97cc032ca95e8bfb295497b2299e36d1a38db2e02b7e4c3

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
Signature4xrS1LUU5Dy/kNDNgldn9Ux5PZilnyEcPwE04g/i4VjzmlwVUGfkPuKRIPIrHXERLfGgtNTfJhTTLB9IPmeYDg==
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

2026-09-17T09:52:58.236054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085990
observed faec33e36db531e2c162bca80a406d6f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:58.219776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085990/manifest.json
observed 896336a5518bd20ba97cc032ca95e8bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:58.202845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085990/publication.md
observed a94cf1a35ca36b78b5d1a874ed7bca77...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:58.184594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085990/publication.txt
observed d9261475376aa8924237028d706230ac...
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.