OpenTechnical

OT-2026-000068800

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented 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-2026-000068800) never changes.

Identity and time

Publication numberOT-2026-000068800 · never reused
Internal UUID01a0ae90-6dcb-7fc6-a84e-1be68c75e2e1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068800
StatusPUBLIC

Content hashes

Canonical text15c153e2bbb13e0bdfe45da94c528c7685fe28b5af37d85ad9649ece3537a639
Markdownfa9e4515bb34225ac54e7d92ca1ff76eac9f94da34b948a51d69d378a06680bf
PDF
Publication page8263baaacca50e8e9781ce5fc2f13b2f428fe881137f7e8a4c13ba9c9ca0fdbe
Manifeste0ab8244db2df93cabdbc30c158080654826be8ffbe3fdc4b7765cfcbea3435a

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
SignatureDdrapehaoKWqNQhP8SMOXBeHAnJQ9ejo3UVkwb37AKRN6/2o+sxP2cAnsG3kgfvp49sdpQraBlG8AHBQtY/hBQ==
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

2026-09-17T10:28:36.079940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068800
observed 8263baaacca50e8e9781ce5fc2f13b2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:36.061143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068800/manifest.json
observed e0ab8244db2df93cabdbc30c15808065...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:36.043390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068800/publication.md
observed fa9e4515bb34225ac54e7d92ca1ff76e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:36.027751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068800/publication.txt
observed 15c153e2bbb13e0bdfe45da94c528c76...
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.