OpenTechnical

OT-2026-000090007

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump 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-2026-000090007) never changes.

Identity and time

Publication numberOT-2026-000090007 · never reused
Internal UUID01a0ae9c-428e-7b77-96bb-6996891dc72d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090007
StatusPUBLIC

Content hashes

Canonical textb1ee847dd44d40f1692614b9ad15c590c85773fc7a3b4072fa501eaa08e6fec8
Markdownc6cbf07e6110da775e70e2f0e4fac22b3a4a07f20ae4304060d97c1d24dce4aa
PDF
Publication page7402a173e5c772067dfb382f732695bc55c9fce8c8d036e8944f65d5fc966903
Manifest84943dbcfddd0a4769e8c6222b6b579b424d7aa5c47a405be14de1d71413d6f8

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
SignaturephVJ5MLb7pUJcDq9KvTRZV+Ai6PBLzB2T4rF2vreNK/J1X6LJLFqzlebvZIZSo0l2D3Mk+I5LBRDCau9Ad7vDA==
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

2026-09-17T09:45:24.045782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090007
observed 7402a173e5c772067dfb382f732695bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:24.028061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090007/manifest.json
observed 84943dbcfddd0a4769e8c6222b6b579b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:24.009521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090007/publication.md
observed c6cbf07e6110da775e70e2f0e4fac22b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:23.991946ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090007/publication.txt
observed b1ee847dd44d40f1692614b9ad15c590...
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.