OpenTechnical

OT-2026-000086655

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, 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-2026-000086655) never changes.

Identity and time

Publication numberOT-2026-000086655 · never reused
Internal UUID01a0ae9a-2c98-71ce-a1d4-9517a37d44cd · 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-2026-000086655
StatusPUBLIC

Content hashes

Canonical text3fc1a51ab772118ffaa3979050d1c0abd3d49fbaf68f321660bed5ad5181605b
Markdown3e3c0bf5cbbf5466f717d77da38744d791e70525fe9b93727556d52689adccfc
PDF
Publication page117f3d1a40217ef1f6e1dac57c10c7ca682ff894110bf4c446a9fe5e69144ac8
Manifest2e2d54a33a6034c2dfa78517d9c4bb48c9fad095b11e9d976e6e551165ac322d

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
Signaturet+Z2C4uPVSNOhVyimExXlrQFkzQ8cqbHXGIAJ7Kc/TOQm3P0Vs1pve5PFk83BuuzjxV9kRLfZ+cWdnifW8JlDg==
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

2026-09-17T09:52:31.011001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086655
observed 117f3d1a40217ef1f6e1dac57c10c7ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:30.991011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086655/manifest.json
observed 2e2d54a33a6034c2dfa78517d9c4bb48...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:30.973853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086655/publication.md
observed 3e3c0bf5cbbf5466f717d77da38744d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:30.955004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086655/publication.txt
observed 3fc1a51ab772118ffaa3979050d1c0ab...
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.