OpenTechnical

OT-2026-000100174

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, two stage ejector, pressure sensor per zone, 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-2026-000100174) never changes.

Identity and time

Publication numberOT-2026-000100174 · never reused
Internal UUID01a0aea3-3052-7b67-b126-5790bbb5d0c9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100174
StatusPUBLIC

Content hashes

Canonical text6d991932158df279ff7460c00a4dd8a3a1a63395ff0f69427574ff0b89590e9d
Markdown65bb7e9ba20eba6d0a451f1ad5cd8d90b61cef6e1f5f36de32c2ca65f44511d1
PDF
Publication page036cbd2149dbfa4fb1671f04df6eb16db82005ff8c9e28ac22cd797478228e44
Manifestbf2980a5cd4311af201c1c8498df1075973ca6707fe2c85d09d8cfefe716417b

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
Signaturep9BXPIB1evgUM6OQPwXsvq6jMSnfXJB8yFtC/X9iEn6nz4+XIj0kJjeR6FSawToAtBb1igsIxPL7KP348qHzBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:53.174110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100174
observed 036cbd2149dbfa4fb1671f04df6eb16d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:53.156535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100174/manifest.json
observed bf2980a5cd4311af201c1c8498df1075...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:53.138132ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100174/publication.md
observed 65bb7e9ba20eba6d0a451f1ad5cd8d90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:53.119449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100174/publication.txt
observed 6d991932158df279ff7460c00a4dd8a3...
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.