OpenTechnical

OT-2026-000070222

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, vented 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-2026-000070222) never changes.

Identity and time

Publication numberOT-2026-000070222 · never reused
Internal UUID01a0ae91-545e-75c6-b5b8-bf84ca78f0c5 · 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-2026-000070222
StatusPUBLIC

Content hashes

Canonical text45f7c037eea06c3652f045c7ba22d63a556bd6a13ddbb0dc56f7424d0fb36efe
Markdown9e82d8ada07009d925f0115aa5e5f34adfbbccde0c615a404b5f6a70a2c16be0
PDF
Publication page50b99d37bf8d7445ac023dbd7dbe6512b201c6d80c0a7471c37e302514220b57
Manifest0e7a3494109a07f1c9ab0e103e5ee5e80a2453758d38b68e4db69341ecf2d65b

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
SignatureUTTCvhER2px6z4mGaJfWQzeAcf9+RBYad9WxMk4eJJ3YqgoEQKqgFRClrn2amROlIp+d6hPvTUw/2Wve5UYWAQ==
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

2026-09-17T10:25:59.506258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070222
observed 50b99d37bf8d7445ac023dbd7dbe6512...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:59.487926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070222/manifest.json
observed 0e7a3494109a07f1c9ab0e103e5ee5e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:59.470745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070222/publication.md
observed 9e82d8ada07009d925f0115aa5e5f34a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:59.447871ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070222/publication.txt
observed 45f7c037eea06c3652f045c7ba22d63a...
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.