OpenTechnical

OT-2026-000056609

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single stage ejector, manifold pressure sensor, 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-2026-000056609) never changes.

Identity and time

Publication numberOT-2026-000056609 · never reused
Internal UUID01a0ae87-7af5-7221-b3b6-241af1ff783e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056609
StatusPUBLIC

Content hashes

Canonical textb030f6a5c828c8aee487577a644808e4f02a6fb4eb4dd65c542f3eea2735e840
Markdownc3e3c427a5a4e0ffd2b323fb9f27a4e02cd715576ad3890f02048e4aff8e16c4
PDF
Publication page578ac22a64b22d956be6af40fe32faa811893223f829662a44069028980f61ea
Manifest9810da2c387cd3e944f7405f5ba64b42bcff2d843b2529c1faac69cc84e0b417

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
SignatureXOMiAtuIzczi/rB5SNctxSfVqurvFiup1Q0dBfJwgYxAtLJNNEXIF3N5LfHJKQq/gM+jizxcy7NTkTby8Gv1Dg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:49:57.631406ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056609
observed 578ac22a64b22d956be6af40fe32faa8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:57.614075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056609/manifest.json
observed 9810da2c387cd3e944f7405f5ba64b42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:57.594676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056609/publication.md
observed c3e3c427a5a4e0ffd2b323fb9f27a4e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:57.574580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056609/publication.txt
observed b030f6a5c828c8aee487577a644808e4...
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.