OpenTechnical

OT-2026-000061581

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, vented 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-2026-000061581) never changes.

Identity and time

Publication numberOT-2026-000061581 · never reused
Internal UUID01a0ae8b-7b45-7d5f-ade0-039c5701cf52 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061581
StatusPUBLIC

Content hashes

Canonical text823f301c445443b7fbe449f5bca95aa3711ffe670991d29f08527627d2bab674
Markdownc40f9292ebb08906428d839449209247b1251b4ed2f601cd158f19eccfb44d19
PDF
Publication page9ee332d7dbfa8a878e58496e5f69c799690000d1aee449da1e27d4e87dc7ccab
Manifest6bae932d6bc54e3b4ffa9b5950278530dcbee236b80c1f06e85edc4974c3cf8a

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
Signatures3qfHRXIykoi0YF1fMD+jiTroQ7iY6btlDB+Tefm+4OZD3DwHL0cyg+A0wxrpmC992RlOtawyC6TqEylYYY8Aw==
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...

Independent retrieval

2026-09-17T10:41:30.109407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061581
observed 9ee332d7dbfa8a878e58496e5f69c799...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:30.091358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061581/manifest.json
observed 6bae932d6bc54e3b4ffa9b5950278530...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:30.074276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061581/publication.md
observed c40f9292ebb08906428d839449209247...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:30.056165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061581/publication.txt
observed 823f301c445443b7fbe449f5bca95aa3...
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.