OpenTechnical

OT-2026-000080878

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, vented after 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-2026-000080878) never changes.

Identity and time

Publication numberOT-2026-000080878 · never reused
Internal UUID01a0ae96-b974-736e-add7-f4c13e67bd1a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080878
StatusPUBLIC

Content hashes

Canonical text49d56c0c2850f1932e90cd86985745f992928c054b48011eb36f6ce04b617b94
Markdown5ce77db7557c916a2c705bb9b25c31af448fa39236ce6a152e5897ee47cf2bc5
PDF
Publication pagebc37c06f97db023b07bd236d2b22078cdef7484091c64ad429c626f324f8049a
Manifest8eb933c97d4f06b7e756c35395c845fdb79cddada9c253709de12cbf610f8646

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
Signaturef2pyTZIV5Ex5rjoieLuzdLv6AiAIeKB+8ILy4r4eHJk70Mv7UCwLO6GUxWOdHf+Cj5lhDrew7gG8LM7y46VvAg==
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

2026-09-17T10:02:04.650224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080878
observed bc37c06f97db023b07bd236d2b22078c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:04.633224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080878/manifest.json
observed 8eb933c97d4f06b7e756c35395c845fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:04.617314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080878/publication.md
observed 5ce77db7557c916a2c705bb9b25c31af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:04.600077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080878/publication.txt
observed 49d56c0c2850f1932e90cd86985745f9...
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.