OpenTechnical

OT-2026-000104059

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, 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-2026-000104059) never changes.

Identity and time

Publication numberOT-2026-000104059 · never reused
Internal UUID01a0aea5-341e-74ed-accf-821e9991a14b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104059
StatusPUBLIC

Content hashes

Canonical text5ea40d1e4b4921cdd9af12e7d01474699e09c0fb4d70b10f6b0bd316cfd53a17
Markdownd2bf9c05e334ffd35a361328ad66b028ea20f19b685b5e855a31dc5cacf1dfb2
PDF
Publication pageb989c293602afb5d32c7281df04d77a5ef46e5abf85fd5529d4d5bac08b70a35
Manifeste2fcb4f524bf94e4ba2b40a0aba897699dab81ccf20d954ad2c653bb79df3722

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
SignatureFkekEh/qLv1QR0FbkjtlusHlsJlXj7+S0GKuiH6rmh2zhhEMu8rF2JOfda4rcOy+p95goHPkqsNcx4lKTl+RAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:07.712789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104059
observed b989c293602afb5d32c7281df04d77a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:07.694910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104059/manifest.json
observed e2fcb4f524bf94e4ba2b40a0aba89769...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:07.676339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104059/publication.md
observed d2bf9c05e334ffd35a361328ad66b028...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:07.660185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104059/publication.txt
observed 5ea40d1e4b4921cdd9af12e7d0147469...
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.