OpenTechnical

OT-2026-000070281

Publication integrity record

Three cup vacuum gripper, three zone face, three 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-2026-000070281) never changes.

Identity and time

Publication numberOT-2026-000070281 · never reused
Internal UUID01a0ae91-545e-7662-b396-7bff685fd0bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070281
StatusPUBLIC

Content hashes

Canonical text2d92fc1a65bab5336d3d44635edf26a75cd465c3d3edeb14b11902794ca7e2c9
Markdown7afb9e6f51113d618e3a1f7296ca059c68c229a9d9906c73cd4fa5072807ec64
PDF
Publication pagef9489af0755cdca213c98e72eb5bc78bd52faa3c26884f626e2d516a0daab6d1
Manifestcc3f2b216f5b05bf97f86f33c676e863b3cfb7e96233fc5589322580caac2e26

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
SignatureKzIBXfM/oWlOD/LnA+BTB5ULljgCQTOhMnxYb/eP8AA/ediWhbipYJnpmIhB42yuNKLlc1LBm5/zSuNqmY41Ag==
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

2026-09-17T10:26:03.909262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070281
observed f9489af0755cdca213c98e72eb5bc78b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:03.892060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070281/manifest.json
observed cc3f2b216f5b05bf97f86f33c676e863...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:03.874584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070281/publication.md
observed 7afb9e6f51113d618e3a1f7296ca059c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:03.857719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070281/publication.txt
observed 2d92fc1a65bab5336d3d44635edf26a7...
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.