OpenTechnical

OT-2026-000068995

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000068995) never changes.

Identity and time

Publication numberOT-2026-000068995 · never reused
Internal UUID01a0ae90-6dcd-7f57-93de-fc49dbff5a82 · 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-2026-000068995
StatusPUBLIC

Content hashes

Canonical text0bb7c111a4ea5c578780cfc59bc50ba18da34852f4cb147c342bd902593f556b
Markdown7ea25543a32aaee0a127ac0bfe072486ac7bb08fc263afa005704cc9c1edae80
PDF
Publication page74beac420a3191d794bdea5cb458b7f5dd2fd3e9f35803fed1a1edc3e5409a63
Manifest47be2d4b200467c69e6ea22ad5b7b1b31cb1e811495ae9109b8f6d68486784d3

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
SignatureJhkgfWzgpPc2QdmH6PfR9OH0xTgmwzixrOTNkZatroebxDbEa9dTWbM6qYeTgTHeVB8Jj9rkvtyCvUY0K18BDg==
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

2026-09-17T10:28:50.435415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068995
observed 74beac420a3191d794bdea5cb458b7f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:50.416140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068995/manifest.json
observed 47be2d4b200467c69e6ea22ad5b7b1b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:50.399618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068995/publication.md
observed 7ea25543a32aaee0a127ac0bfe072486...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:50.381996ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068995/publication.txt
observed 0bb7c111a4ea5c578780cfc59bc50ba1...
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.