OpenTechnical

OT-2026-000068988

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off 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-2026-000068988) never changes.

Identity and time

Publication numberOT-2026-000068988 · never reused
Internal UUID01a0ae90-6dcd-7450-b796-99255506288d · 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-2026-000068988
StatusPUBLIC

Content hashes

Canonical text9adb1ce3d0e595cf1340e300e7a35c7704e5b0ce36094aeba2b27b325effd8c9
Markdown66c5b72a4c87159dcde7d66da2f33e460ae7c94fa462dc629b573879ffc358ac
PDF
Publication page78ed288b7aedf51e3bd929ead0d23c649aeca9cf1e5780e2cfc0c231251d1cd3
Manifest9abaf5b31132900d384c97e058504530830d18dd172aa07225407ce41b258b17

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
Signaturei7YbZjxZHLr9jgqPPdPWaEI4xw0ZovejhSJ0lQDdaDM0U6Kr6miNFLfhUrY6iXAyTqqYhKMhi3rU0EMv9XOkBg==
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

2026-09-17T10:28:49.918953ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068988
observed 78ed288b7aedf51e3bd929ead0d23c64...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:49.900688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068988/manifest.json
observed 9abaf5b31132900d384c97e058504530...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:49.882071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068988/publication.md
observed 66c5b72a4c87159dcde7d66da2f33e46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:49.863275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068988/publication.txt
observed 9adb1ce3d0e595cf1340e300e7a35c77...
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.