OpenTechnical

OT-2026-000085838

Publication integrity record

Foam pad vacuum gripper, four zone face, plant vacuum fed, 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-2026-000085838) never changes.

Identity and time

Publication numberOT-2026-000085838 · never reused
Internal UUID01a0ae99-e829-7e6c-9575-8106855dd895 · 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-2026-000085838
StatusPUBLIC

Content hashes

Canonical texta8d865203065ab03eb0ad933c339dd2e39b0e65975fc1eb6ca662867434e9e0a
Markdown73f1afd2b3c9ba568dbcbcad28bc7ce3f15f0a18a7e7d263af05cee9ec457756
PDF
Publication pagefdae171089f76e71d040afc86f69f8bcef440c053e882b07519db494017d4ab0
Manifestf06131c442627ece7af4c00bdfa11cec64055ba2381828af71f8bce156c1ed1b

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
SignatureKq0b4HLWbKgZTVJMMWlU+1DZ2RFf9NdrPMRYajzEbMmLls5iFoM5YroKgaz6rdaM4yjTPYmHzxblHyeuyaPPCw==
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

2026-09-17T09:52:45.734876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085838
observed fdae171089f76e71d040afc86f69f8bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:45.717345ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085838/manifest.json
observed f06131c442627ece7af4c00bdfa11cec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:45.699904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085838/publication.md
observed 73f1afd2b3c9ba568dbcbcad28bc7ce3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:45.682279ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085838/publication.txt
observed a8d865203065ab03eb0ad933c339dd2e...
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.