OpenTechnical

OT-2026-000086883

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000086883) never changes.

Identity and time

Publication numberOT-2026-000086883 · never reused
Internal UUID01a0ae9a-80a4-7c56-8f94-6f2271983dc9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:36.209195Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086883
StatusPUBLIC

Content hashes

Canonical text9ecd28b579b4541b978f80b26328a747270b1fa1537574675289dd424f083687
Markdownd1854b9c86e3bbc7550279f2a20e7472634baecbca90eb869d4eae49bdbaaf72
PDF
Publication paged4247c5a286d8b3b21093df3ddaa4f398344b6223f0f8aeded5baf54e4a49d78
Manifest89d1cab43aa3271f59e4905784a7acf4ee19bfc897d7015f67db8be0aed1b0e9

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
Signatureq/yu7xggG6bSxVVm2gXG6+oImiA/xijrvoq/GQ+OHJxxNYorUsWX1qlF3ye28gpeLXLhPPXgQDkfZONAwutwAw==
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

2026-09-17T09:51:43.742701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086883
observed d4247c5a286d8b3b21093df3ddaa4f39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:43.724061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086883/manifest.json
observed 89d1cab43aa3271f59e4905784a7acf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:43.706083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086883/publication.md
observed d1854b9c86e3bbc7550279f2a20e7472...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:43.688753ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086883/publication.txt
observed 9ecd28b579b4541b978f80b26328a747...
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.