OpenTechnical

OT-2026-000031361

Publication integrity record

Six cup vacuum gripper, six outlet manifold, three stage ejector, pulsed blow-off 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-2026-000031361) never changes.

Identity and time

Publication numberOT-2026-000031361 · never reused
Internal UUID01a0ae74-87ac-720e-8a0a-35c78f1ad2d7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031361
StatusPUBLIC

Content hashes

Canonical textf8f5ac12433cc65c024ae5a797609017a236ac29552bf8dd6a6741128ee92fd2
Markdownedaa76c64b7d7c7fd89a6df9211519542446d110465321c92be91a257f5ee630
PDF
Publication pagea9ff317d1c0b8f71464b4d297841466b664ce775b6af6bdafb10aa79c5bfdf29
Manifest676de4fbe451dcfb9bd75da5f8f805d7ff496bf7510980b3c48f33d635d209ba

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
SignatureM21DZfpUQw0IDt1H//dR2zEOxLfA4wKzEBWi1SaGBXQL9DICqfdK3XSxZ6zcWlONaXJXbuZlYLk/Bg4iCMIxCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:36:03.760811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031361
observed a9ff317d1c0b8f71464b4d297841466b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:03.742742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031361/manifest.json
observed 676de4fbe451dcfb9bd75da5f8f805d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:03.722710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031361/publication.md
observed edaa76c64b7d7c7fd89a6df921151954...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:36:03.705314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031361/publication.txt
observed f8f5ac12433cc65c024ae5a797609017...
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.