OpenTechnical

OT-2026-000085897

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, two stage ejector, sustained blow-off before 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-2026-000085897) never changes.

Identity and time

Publication numberOT-2026-000085897 · never reused
Internal UUID01a0ae99-e82a-7440-a8a7-0e2ea206fa13 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:57.178584Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085897
StatusPUBLIC

Content hashes

Canonical textc8da756127077b2c12751d1b5e1641cae30ec7b8173482b95d1307c782880628
Markdownf064cfbd371eb0947373ca2bc44f66205d4163a807ab91afce233f264e237f19
PDF
Publication pageb53235bf1b7ae67db98341e4d9a2db478581b546d5bad79ada4bdf377ed7708c
Manifest0ef50788dd167710a5130f557ec56bf5b62ffe6d42d62097fedd26132262e39c

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
SignaturexGRi/MDZcGWd8mJB3Wo1EfyydhQGpV3zqJ4N2tlzfrNzqzIMBNGjOG9xwNUUS+xo+FwblIpAWka2Drlo0D94AQ==
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

2026-09-17T09:52:50.329166ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085897
observed b53235bf1b7ae67db98341e4d9a2db47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:50.311061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085897/manifest.json
observed 0ef50788dd167710a5130f557ec56bf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:50.291779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085897/publication.md
observed f064cfbd371eb0947373ca2bc44f6620...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:50.274027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085897/publication.txt
observed c8da756127077b2c12751d1b5e1641ca...
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.