OpenTechnical

OT-2026-000039841

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000039841) never changes.

Identity and time

Publication numberOT-2026-000039841 · never reused
Internal UUID01a0ae78-d8d6-71e0-959d-8187c5e95dbe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039841
StatusPUBLIC

Content hashes

Canonical text8a54619243d617695e9ed818c201dec7afa575f20591d15799bd6837b62fb30d
Markdown08aa03283893e8c72526bb46106cfd532ad31fa5775b41e246bb6b686f3f4c16
PDF
Publication page16ae60ef3c5082722681cc062aaa67c65beaf7d4ab6d3cb0376ce57922e5c04d
Manifestc8b66b362834999818006c1468c431b1bb58331dd1d21f90b0c547f5b37cdd7d

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
SignaturexazHMr2X+227gholdXTWE3ap1rRv9rM3D5LTHrs6I+gNvHrXYo7tYSsvsr0SIzn5vLyAx/Du2tkmKi2q8GFKBg==
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

2026-09-17T11:20:05.191978ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039841
observed 16ae60ef3c5082722681cc062aaa67c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:05.172647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039841/manifest.json
observed c8b66b362834999818006c1468c431b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:05.154759ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039841/publication.md
observed 08aa03283893e8c72526bb46106cfd53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:05.134565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039841/publication.txt
observed 8a54619243d617695e9ed818c201dec7...
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.