OpenTechnical

OT-2026-000083855

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, pump fed, 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-2026-000083855) never changes.

Identity and time

Publication numberOT-2026-000083855 · never reused
Internal UUID01a0ae98-0418-7645-b5e1-6f281f67eba9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083855
StatusPUBLIC

Content hashes

Canonical textd69d044022fc836e6357e97b35a61146d61114f3c776a9c6a2d9dee873072d2a
Markdownfa928070824daac6ecd1fe0a901d5860c7f4134f2b14e9cd7b168cdf6870e1a1
PDF
Publication pageddd587c255c7cc5d6b71880a7da8deea4fb2e9081b2bb3e3438f6d40366ab3d8
Manifest0a421b78f2627f824881dc62f3d7bfae3a1c87aff188066756fe839425ca2218

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
SignatureMyotSq685t+qQxBzrDtH0a18k3QdD6BhIj9VNcx6PONE54WKet5wRSsBcqqfU2OsKcmCH8qEfUw1zqwNJeulBA==
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

2026-09-17T10:00:09.059201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083855
observed ddd587c255c7cc5d6b71880a7da8deea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:09.028623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083855/manifest.json
observed 0a421b78f2627f824881dc62f3d7bfae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:08.996734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083855/publication.md
observed fa928070824daac6ecd1fe0a901d5860...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:08.970509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083855/publication.txt
observed d69d044022fc836e6357e97b35a61146...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:30.906647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083855
observed ddd587c255c7cc5d6b71880a7da8deea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:30.889785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083855/manifest.json
observed 0a421b78f2627f824881dc62f3d7bfae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:30.873391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083855/publication.md
observed fa928070824daac6ecd1fe0a901d5860...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:30.857306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083855/publication.txt
observed d69d044022fc836e6357e97b35a61146...
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.