OpenTechnical

OT-2026-000087211

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, 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-2026-000087211) never changes.

Identity and time

Publication numberOT-2026-000087211 · never reused
Internal UUID01a0ae9a-9f2e-78d1-b00c-6431ac21a874 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087211
StatusPUBLIC

Content hashes

Canonical text8527b6f037b7458395a9a4560574834071fc8f0ee6f5c1e0ce6c9594acb9c52c
Markdown5b046ea39f03c24148047f60f012c8de9741e2ace96e7a002341a2906077d76d
PDF
Publication page37eedbad4690b82dca22b1ea431d2e30d8b7a07dd3a6fd9dd4c9804b1728deca
Manifestadd0cbd52eaff4aeea7fbb96707031da174ca74fca2cc6bd45ae9125e8d1da30

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
Signaturej8EAZemhQkj/uRrGzjkgnj/Z7ANP71qD9CfG68fvlQntZcXBp13khWG/r/LBOmBgrVRB1Bykyg5L+iXjIpjFDw==
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

2026-09-17T09:51:29.470505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087211
observed 37eedbad4690b82dca22b1ea431d2e30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:29.453563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087211/manifest.json
observed add0cbd52eaff4aeea7fbb96707031da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:29.437269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087211/publication.md
observed 5b046ea39f03c24148047f60f012c8de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:29.419171ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087211/publication.txt
observed 8527b6f037b7458395a9a45605748340...
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.