OpenTechnical

OT-2026-000086433

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump 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-2026-000086433) never changes.

Identity and time

Publication numberOT-2026-000086433 · never reused
Internal UUID01a0ae9a-2c97-74fd-8522-0623c74f88f9 · 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-2026-000086433
StatusPUBLIC

Content hashes

Canonical text2cd8c9c028d36967fba3de205c44d54447b6bd3ba6fe885ef8a4ca6ec1561bf9
Markdownbeef61547748a8539a31c3d09bd1c5295a31cf81fa2e3cbe91b6ff7e08b978a8
PDF
Publication pageb89673293aa267246e71cfa8aa416adfd2041e52adba9b18d9bb8c0e3a37ea5e
Manifestc729a1d5ac5460e15511aa09c30c6266bf257fc92477d5e4ce576cb130e7af7a

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
SignatureE12PmVEWhvY7zq8Gxeet1oWSBMx8YtHzhbl0JUdvmJvjBMpbyD+LUQLDx48oouNyJhcg+qbfVLYLc3drieXwAw==
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

2026-09-17T09:52:13.844258ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086433
observed b89673293aa267246e71cfa8aa416adf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:13.827350ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086433/manifest.json
observed c729a1d5ac5460e15511aa09c30c6266...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:13.810273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086433/publication.md
observed beef61547748a8539a31c3d09bd1c529...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:52:13.790768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086433/publication.txt
observed 2cd8c9c028d36967fba3de205c44d544...
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.