OpenTechnical

OT-2026-000080809

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, 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-2026-000080809) never changes.

Identity and time

Publication numberOT-2026-000080809 · never reused
Internal UUID01a0ae96-b974-7f15-bb5e-881951ed77e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080809
StatusPUBLIC

Content hashes

Canonical text7be0bc8c1a1896eec021a0402572d2b5e2bdcc1d7234a697c79e1b86624689fb
Markdowncd6f1f86417ead21622ce847d7120cb5acd70eda755433946a520785e6ae7f6f
PDF
Publication pageed2aa6504cfb5fcd019903ea5c51fa2129ac554032b3534808b436f10b398da9
Manifestd5858725a0417d518f5df536f2d47dad9ef016b02552fbe6d15f801797fb8322

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
SignaturewbwLm//hiciEpB+Qvd+qFJgdTVafNTxLAHgrZVF1Lh/tc/HTf+o0Wt8YBIcWa7FVfIAetLp6bgcwXKPptIrgDQ==
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

2026-09-17T10:01:59.374317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080809
observed ed2aa6504cfb5fcd019903ea5c51fa21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:59.354407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080809/manifest.json
observed d5858725a0417d518f5df536f2d47dad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:59.336984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080809/publication.md
observed cd6f1f86417ead21622ce847d7120cb5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:59.318185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080809/publication.txt
observed 7be0bc8c1a1896eec021a0402572d2b5...
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.