OpenTechnical

OT-2026-000070455

Publication integrity record

Four cup vacuum gripper, four zone face, two 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-2026-000070455) never changes.

Identity and time

Publication numberOT-2026-000070455 · never reused
Internal UUID01a0ae91-545f-75bf-9d4c-00a2e62662f3 · 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-2026-000070455
StatusPUBLIC

Content hashes

Canonical text4b3d9e66348e704361a6b62d108cd9bdc901450fb2b841fa42a85176afe12981
Markdowndc7c3592b0c7902a359e4c5986b2a959af72c9ce98b90a63202756f67a5c5cca
PDF
Publication pagea22b8803286f56525ac05f83c7d4a931c2e4c8229b88ade1d16e4c088bf82afe
Manifesta6193440e6a431cea6132749910a15757a8e517feb8632cf837db144dd5ea54c

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
Signature61+vMGGRJiE1tE30o6qVCu0I3iC658jGQarHOXC16ozf1R2KKTvw1fcqbprZ+9TsLMFYD9psJAdsOElI29RTBg==
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

2026-09-17T10:26:16.814961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070455
observed a22b8803286f56525ac05f83c7d4a931...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:16.798879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070455/manifest.json
observed a6193440e6a431cea6132749910a1575...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:16.781032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070455/publication.md
observed dc7c3592b0c7902a359e4c5986b2a959...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:16.761235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070455/publication.txt
observed 4b3d9e66348e704361a6b62d108cd9bd...
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.