OpenTechnical

OT-2026-000068726

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000068726) never changes.

Identity and time

Publication numberOT-2026-000068726 · never reused
Internal UUID01a0ae90-6dca-7165-b635-11138d6113b8 · 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-2026-000068726
StatusPUBLIC

Content hashes

Canonical text5b1fff04a8c2cc13058459af1c58c9a47f261db84db5a6d238348f0dcdb295d0
Markdowna6fed94078cb5bcfdfe4df5afd50fd9481a8b6016f73290b40e203fec94f277f
PDF
Publication pagef4568495b2a7c809aa63d0e001f318e72f41ffd1febb302acff9fd74bf987c62
Manifestad0f04815ee426b15aeea3f428e87bf46776158e22598cffa7f654a1c19d5f9c

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
SignaturehUczuG0j0WTDJ745PrR1lBdH/x/NncJNyk9YZZUX56WTqY9uiu9g0g/gljxtZxCKE5ktsJnb7EzrSW8UAvu0Aw==
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

2026-09-17T10:28:30.048409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068726
observed f4568495b2a7c809aa63d0e001f318e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:30.030341ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068726/manifest.json
observed ad0f04815ee426b15aeea3f428e87bf4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:30.012238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068726/publication.md
observed a6fed94078cb5bcfdfe4df5afd50fd94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:29.996078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068726/publication.txt
observed 5b1fff04a8c2cc13058459af1c58c9a4...
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.