OpenTechnical

OT-2026-000069537

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, pump fed, pressure sensor per zone, 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-2026-000069537) never changes.

Identity and time

Publication numberOT-2026-000069537 · never reused
Internal UUID01a0ae90-b52b-7ba8-bc1b-6b7c978e6825 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069537
StatusPUBLIC

Content hashes

Canonical texte2f0686555c0b38e04236ab7ee6838aa1bfea554b560bd5dc2ce8bd0c78c7cf4
Markdown275b7ca9f519f8a94775bd416d8f90f573e4abffc19b10d3c026ffe83da7fff6
PDF
Publication pageb60d21ce542c1f653de7e17b8a48a05e92ccea43c23725caeb220ef9dfb77497
Manifest3d738af6843f504eeb045309f653b3b3b41a817d2fd07cb9b22032b9f67538d4

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
SignaturejP7yHM9SDfDUPiiE5mgXzA2F7XKWVstkV3PKEESGcznME6Ye9Ywg1TlMkdBNbeVj+G91prVb0yhIv6Uh2MLoDw==
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

2026-09-17T10:30:38.824200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069537
observed b60d21ce542c1f653de7e17b8a48a05e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:38.807416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069537/manifest.json
observed 3d738af6843f504eeb045309f653b3b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:38.791021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069537/publication.md
observed 275b7ca9f519f8a94775bd416d8f90f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:38.773174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069537/publication.txt
observed e2f0686555c0b38e04236ab7ee6838aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:11.065821ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069537
observed b60d21ce542c1f653de7e17b8a48a05e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:11.047804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069537/manifest.json
observed 3d738af6843f504eeb045309f653b3b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:11.028780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069537/publication.md
observed 275b7ca9f519f8a94775bd416d8f90f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:11.011042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069537/publication.txt
observed e2f0686555c0b38e04236ab7ee6838aa...
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.