OpenTechnical

OT-2026-000072403

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, supply line 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-2026-000072403) never changes.

Identity and time

Publication numberOT-2026-000072403 · never reused
Internal UUID01a0ae92-89d7-72f8-9012-31a4b5e15ce9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072403
StatusPUBLIC

Content hashes

Canonical texte9b241a5750e7abe9f4503f1145fcfe88e92415733f1ec3eb79066d6ce560955
Markdown5ef5ede42a49db8a512936c21b4435269ca6b7d617af912d992cbc3b284fda1f
PDF
Publication pageb1f20eb0550a5aeab0a467df1a99c216e8b9c400ecfe067ef8a0027c74fc44f7
Manifestac9f2a889b052cefb7042993fa70f5d0feaa572b48e60781511c0623bb9cb2aa

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
SignatureQTlHOmNgMa78jkZ5BilYoQ05wkusX66dlIBIZeF2l9tXz1Xa/QwnsOvlwYDi3R/zdFqGcCsqM7zKGvjoEu/gAA==
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

2026-09-17T10:22:13.026963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072403
observed b1f20eb0550a5aeab0a467df1a99c216...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:13.009241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072403/manifest.json
observed ac9f2a889b052cefb7042993fa70f5d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:12.990631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072403/publication.md
observed 5ef5ede42a49db8a512936c21b443526...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:12.974719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072403/publication.txt
observed e9b241a5750e7abe9f4503f1145fcfe8...
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.