OpenTechnical

OT-2026-000089788

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000089788) never changes.

Identity and time

Publication numberOT-2026-000089788 · never reused
Internal UUID01a0ae9c-1a22-7ad2-9f8d-855402abed62 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089788
StatusPUBLIC

Content hashes

Canonical textc5f6e51178517ebce725bf8ef643e787f5e625eb188de8a75ef3d02a17f46aaa
Markdown41222a7193f660e716029d90456221622aad1a0e16b5b5fb572b48bf98da29fd
PDF
Publication page5588c596fa7e16a540c458544fe977221912785423509926c2fd76f35ddb6ddc
Manifest1101a334f3afb47b94453aecd8ecbe579089800543a1a8101bd7232481c35846

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
SignaturetiV0ZxCOO9XGgD6e63anhrz+/BZ20jINq4tmNkym4ibYCQRPP43v4Ntc4BMJDbjW3QGxIhlyrEZCJLRGMozxCA==
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

2026-09-17T09:46:52.763265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089788
observed 5588c596fa7e16a540c458544fe97722...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:52.745933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089788/manifest.json
observed 1101a334f3afb47b94453aecd8ecbe57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:52.728781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089788/publication.md
observed 41222a7193f660e716029d9045622162...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:52.711494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089788/publication.txt
observed c5f6e51178517ebce725bf8ef643e787...
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.