OpenTechnical

OT-2026-000081142

Publication integrity record

Six bellows cup vacuum gripper, six 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-2026-000081142) never changes.

Identity and time

Publication numberOT-2026-000081142 · never reused
Internal UUID01a0ae96-b977-77fc-ae02-6863e5de4cf3 · 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-2026-000081142
StatusPUBLIC

Content hashes

Canonical text84e90b5c7c3e9a5b31ba820a71ae71b54ea6c126a91f436562304cb2d1a2d0f8
Markdown20a02fbfe6084bdf49b4ed4ab00aba3c2c7433e50eb422304cb92be8ddf39cbd
PDF
Publication page05ea3da70ab0a94a0686c3eff590817f7a1fc7c878cf39edbe174821561f41d3
Manifesta7e310dfcf69d35a198a8c1c7323cd129027b180d8a93dd963cee70b8496a16c

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
SignatureoebaO4tCXgmBEf22dGQqE3kFUDAtCtVaftLj8zfwJ6AH+kko61Pr4es1gxfTUKlpfkXkpARSnRtasmpwhUhBDA==
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

2026-09-17T10:02:27.412847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081142
observed 05ea3da70ab0a94a0686c3eff590817f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:27.396507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081142/manifest.json
observed a7e310dfcf69d35a198a8c1c7323cd12...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:27.378841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081142/publication.md
observed 20a02fbfe6084bdf49b4ed4ab00aba3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:27.361013ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081142/publication.txt
observed 84e90b5c7c3e9a5b31ba820a71ae71b5...
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.