OpenTechnical

OT-2026-000074453

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, three stage ejector, manifold pressure sensor, pulsed 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-2026-000074453) never changes.

Identity and time

Publication numberOT-2026-000074453 · never reused
Internal UUID01a0ae93-717a-7dea-b894-c4435c2ab8c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:53.574555Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074453
StatusPUBLIC

Content hashes

Canonical textef207084566b935e295b88f5b2a86306b6414bedfee2f831617ce62f1cd0d38a
Markdown14fae875291d70602a57d905c14c6101a93884c43a6ef19d9428b70bfc444fcf
PDF
Publication page498a48d79559a9840ca09e3f367ed24b0a609a76e0d7b6c660518b324f12c859
Manifest41865e0be39ef4904a8e7e23f45767633b06179a225cf4a051b9c7bcc7335d6d

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
Signature8eMh7rdkcLtOkgaOdVt+ElwyDg/hbap/xHiwaYxT2nADJRnUAJDe8oQ+be4lLqFdwLxEKSXLPFV82REOtwpmDA==
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

2026-09-17T10:19:24.608365ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074453
observed 498a48d79559a9840ca09e3f367ed24b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:24.589986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074453/manifest.json
observed 41865e0be39ef4904a8e7e23f4576763...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:24.570541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074453/publication.md
observed 14fae875291d70602a57d905c14c6101...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:19:24.549607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074453/publication.txt
observed ef207084566b935e295b88f5b2a86306...
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.