OpenTechnical

OT-2026-000078274

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, vented after 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-2026-000078274) never changes.

Identity and time

Publication numberOT-2026-000078274 · never reused
Internal UUID01a0ae95-7c27-7653-84ef-0feb8dff5908 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078274
StatusPUBLIC

Content hashes

Canonical texte0043f71a80e2467dfd124a28ff23cc1265ecd8560d648182bd1e6756d9ee413
Markdowne8d3d05d3665bba6f27f16cd772cf265efbcfec76c9ed6fef99a310e95a67f5f
PDF
Publication page34de8b0387e42402c42d2f5f2571a84690f4bdcd6e5956c9280418758215d5e7
Manifest33fb7c10e8a10023a6e3e62f3d6d5cc7384ce175957d1e6e7f3762c30c33bb65

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
SignatureYRda2LqZ7SZfAXpvEfp26kEnL+IOBtxvFeuNC0LSZ+ROyNp6T7sOSgv2TXxzBRoidARcxoPZ5Afh/IDVKzIpDg==
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

2026-09-17T10:06:14.154955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078274
observed 34de8b0387e42402c42d2f5f2571a846...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:14.135005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078274/manifest.json
observed 33fb7c10e8a10023a6e3e62f3d6d5cc7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:14.116120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078274/publication.md
observed e8d3d05d3665bba6f27f16cd772cf265...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:14.097958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078274/publication.txt
observed e0043f71a80e2467dfd124a28ff23cc1...
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.