OpenTechnical

OT-2026-000077128

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, 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-2026-000077128) never changes.

Identity and time

Publication numberOT-2026-000077128 · never reused
Internal UUID01a0ae94-f507-794b-ad02-00d88068d175 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077128
StatusPUBLIC

Content hashes

Canonical textf7e7a27a22ea35a654669f8246cbd6f57d8dc7a09a1fe75326b9785fe0e9991e
Markdown22ac6691753a5f249b494bb33bb2f01f843041554466810661e01fe0505bb93b
PDF
Publication page557ad4421cfaa096d57e6cbea9a9271686f626e8ff130b29a26aa3eb92d3fddf
Manifestd2370fa4fc3829d45175ac91e1fd0c3106640701d23510d67bf647865faf4ea1

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
SignatureGl06+dQ2o/JFrIDyjycsAvntF04I88TCsUSb/yMQ3VtZGu9hTPEGP9xE5vK4adKsU82NGgcKBenoGr5jS9DgAA==
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

2026-09-17T10:11:40.469287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077128
observed 557ad4421cfaa096d57e6cbea9a92716...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:40.442863ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077128/manifest.json
observed d2370fa4fc3829d45175ac91e1fd0c31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:39.798144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077128/publication.md
observed 22ac6691753a5f249b494bb33bb2f01f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:11:39.780325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077128/publication.txt
observed f7e7a27a22ea35a654669f8246cbd6f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:36.043738ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077128
observed 557ad4421cfaa096d57e6cbea9a92716...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:36.023483ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077128/manifest.json
observed d2370fa4fc3829d45175ac91e1fd0c31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:36.003415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077128/publication.md
observed 22ac6691753a5f249b494bb33bb2f01f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:35.985328ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077128/publication.txt
observed f7e7a27a22ea35a654669f8246cbd6f5...
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.