OpenTechnical

OT-2026-000089468

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000089468) never changes.

Identity and time

Publication numberOT-2026-000089468 · never reused
Internal UUID01a0ae9b-db02-7a2b-a266-f32e9f5f3e64 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089468
StatusPUBLIC

Content hashes

Canonical text6081cc49b81ab8b81cb9090d710a77bb065e2cd371879d05c184ee52aea10d56
Markdown854d7f16145a17e70f88a8b7c71fc84c117bec9a0cb49165b3f55f679686acc0
PDF
Publication pagebfdc8460519b71ab07597c88b62d8e3cc11cf50f34764aba8c411dde39f9dc26
Manifestc3f675cf2bd6124eaf2566f81f70a82a4ce498b4158646644f3dc9fe7c357ba5

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
Signature/vbnXKzoexQaFDEM3IHlnaemWlQy1eg81vxCtch/VYo16b0+FUvB9W2W4dfr3hvrAFVPg36WCYnqoitPX52PAg==
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

2026-09-17T09:47:37.145135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089468
observed bfdc8460519b71ab07597c88b62d8e3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:37.126917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089468/manifest.json
observed c3f675cf2bd6124eaf2566f81f70a82a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:37.108056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089468/publication.md
observed 854d7f16145a17e70f88a8b7c71fc84c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:37.090326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089468/publication.txt
observed 6081cc49b81ab8b81cb9090d710a77bb...
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.