OpenTechnical

OT-2026-000068649

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, vented after set-down

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-2026-000068649) never changes.

Identity and time

Publication numberOT-2026-000068649 · never reused
Internal UUID01a0ae90-2483-75e6-b257-13ca7d070ff4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068649
StatusPUBLIC

Content hashes

Canonical text88e7cc67f35e48c8265b1a27adf0ada052743aad1b4cd2e2f899b6cd63180b77
Markdownecebff27bafd7f93fb0358583dbaf2ef1de549be26aacf17f4b654c3f301de11
PDF
Publication paged4b91a832bae52ff5c6fa77a4f09a89d625f62183ceffe85a03797bfb85698cd
Manifest570d003cd8a7f751b3b0f8a4339c4c377ef033226941e394b6ac6490932e08ab

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
Signaturelb9Rr/NWHkWhkGo86+hYvo+O+Fa15U++9lfnY8VKsznjU+iJ4NQ7zXYrRn+15lAriCs9UbDvx1sjMU2S58IXCA==
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

2026-09-17T10:29:50.594471ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068649
observed d4b91a832bae52ff5c6fa77a4f09a89d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:50.575626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068649/manifest.json
observed 570d003cd8a7f751b3b0f8a4339c4c37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:50.558548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068649/publication.md
observed ecebff27bafd7f93fb0358583dbaf2ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:50.540463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068649/publication.txt
observed 88e7cc67f35e48c8265b1a27adf0ada0...
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.