OpenTechnical

OT-2026-000007608

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, pulsed 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-2026-000007608) never changes.

Identity and time

Publication numberOT-2026-000007608 · never reused
Internal UUID01a0ae62-76bc-7d32-ab91-9ae2aa5694f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:23.688458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007608
StatusPUBLIC

Content hashes

Canonical textaf985463e4b26139eb0c49f1151258d7fc8d3d7ba53fcc1406533ca6b26ecc6e
Markdown8ef26e7c2ac8fd2408847be69cf3584da73a54fe32deee70bbd139e45344bce4
PDF
Publication pageac0229b30cbc2e885b1f823519676a5f2fdcaf757d9dfea3744b493c6208643c
Manifestabb949c4ec11bbcc0a8ee450e6ccded5061c72557fd254eb5d41ac27c4cd6312

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
Signaturet2cmBdRfu6wkRXo1zNllR6jIYBQbtWmnL/2PmnlrQm4N9tX+s2F85wQ5k7JVllsGit4KKsjhWmwIaAraSUnIBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:13.233317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007608
observed ac0229b30cbc2e885b1f823519676a5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:13.214480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007608/manifest.json
observed abb949c4ec11bbcc0a8ee450e6ccded5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:13.194762ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007608/publication.md
observed 8ef26e7c2ac8fd2408847be69cf3584d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:13.176652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007608/publication.txt
observed af985463e4b26139eb0c49f1151258d7...
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.