OpenTechnical

OT-2026-000081857

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, two 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-2026-000081857) never changes.

Identity and time

Publication numberOT-2026-000081857 · never reused
Internal UUID01a0ae97-0f75-75d5-a541-8a351a301ad9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081857
StatusPUBLIC

Content hashes

Canonical text229b9a17371d4be5b624e1760657560ddcacca24a89e0c5a0f901dd35df1b7d6
Markdown53a5e6fdcec6956efeb8b6ec1e0906c16fc7ad3a11328872171a3903170eb8b5
PDF
Publication page004599d7c4358884e243cfade0952b26ecf4796afed2e9b8daba5beea60f0489
Manifestceed01e0bbd579d8aa2bc20db3ac1fac4f38e221a6ebd42248902c1bf457faec

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
SignatureXiMG7LeWao246438QAnhjypfQ4kYTcn7onP1/VdfL/b9WASRA/bAoTtMovruGERuaxoHBm1Uetf1qHYN5InuAQ==
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

2026-09-17T10:00:58.331306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081857
observed 004599d7c4358884e243cfade0952b26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:58.315125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081857/manifest.json
observed ceed01e0bbd579d8aa2bc20db3ac1fac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:58.297716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081857/publication.md
observed 53a5e6fdcec6956efeb8b6ec1e0906c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:58.276774ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081857/publication.txt
observed 229b9a17371d4be5b624e1760657560d...
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.