OpenTechnical

OT-2026-000071404

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000071404) never changes.

Identity and time

Publication numberOT-2026-000071404 · never reused
Internal UUID01a0ae91-e0ed-7817-8679-7cb568027d52 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:11.039722Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071404
StatusPUBLIC

Content hashes

Canonical textc026c77c311a60443356daeb2c8ee0af3bde2e7790b7ab002a77ddba63b1216f
Markdown77c7385d8d0ef6c17b29644bf305b5b9a56dc107fe4ef6494b6cb52e079eb2fc
PDF
Publication page649c2de607586e1c5504b4b4d15faeeb7f8b65fb59bdacd93b69fe4c0260a8b0
Manifest75591c8bfe5e6e050e74f4020ef6cebb8c6529826f229dee4deee1d045dbe2f0

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
Signaturewtfhymv+V9Zl7IAEKDyOPFSaM9+cGQNwPrfINszHK5fo+3jRcmlazM/15ugyGjgdE9qxBpWuUIWL9XtE83cNBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:25:01.856766ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071404
observed 649c2de607586e1c5504b4b4d15faeeb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:01.837985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071404/manifest.json
observed 75591c8bfe5e6e050e74f4020ef6cebb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:01.821122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071404/publication.md
observed 77c7385d8d0ef6c17b29644bf305b5b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:01.804074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071404/publication.txt
observed c026c77c311a60443356daeb2c8ee0af...
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.