OpenTechnical

OT-2026-000086728

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, sustained blow-off before 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-2026-000086728) never changes.

Identity and time

Publication numberOT-2026-000086728 · never reused
Internal UUID01a0ae9a-2c99-7f00-b3b2-488dc6d25785 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086728
StatusPUBLIC

Content hashes

Canonical textcf997c5d87da99887548c40990ba9531be926bdc083732525da533f697e44df0
Markdowna92c81f0c05bbdc27e850f578c524cdb0402515a844b4cbf14aed1ecca3b7350
PDF
Publication page19c015d5db431ccc8dc518a354d49e626e97c94be723799185d6dbd87fff63ae
Manifest5ec5a926557d6aa5a4023f05d8447aecfb4c8dd0a6b7227a953eab18b0d15dc6

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
SignatureX0ex9fvG0jF/yz71974XtACsbKzL9pBSnrchCn+SfrTc6Y4pHVpRsiEk1fDi6PVbyAtqns7V1tnTsdupnWHwBQ==
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

2026-09-17T09:52:36.393209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086728
observed 19c015d5db431ccc8dc518a354d49e62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:36.375335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086728/manifest.json
observed 5ec5a926557d6aa5a4023f05d8447aec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:36.358986ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086728/publication.md
observed a92c81f0c05bbdc27e850f578c524cdb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:36.342037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086728/publication.txt
observed cf997c5d87da99887548c40990ba9531...
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.