OpenTechnical

OT-2026-000081004

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, vented after 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-2026-000081004) never changes.

Identity and time

Publication numberOT-2026-000081004 · never reused
Internal UUID01a0ae96-b976-79fb-be3f-031751aa7489 · 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-2026-000081004
StatusPUBLIC

Content hashes

Canonical text4d4af3cdea790a153f0909af3fe898a0f41b122ed749888fb97ef09fd78676c9
Markdown114a31021f186bbea3cc97fc43a4c3cdfacdb034425cd2c27d62769fb62ffc42
PDF
Publication page1477417e38c66768010a47ea0364d50e3a7881cd81f7cf976aa98c1ea092a88c
Manifestb95189bd0474b5e085685d1ea3a9075fb5cbd85f1d78f32e55357ad622dd0fc7

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
Signature1GR4EfsyEFez14Fq9/1FWP8u586C6LfXI+TmD6Re8AHeU4ee0RuL/R/NOYxlN6YSLrOdpPLEP1TBuLa44AoBCQ==
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

2026-09-17T10:02:17.476660ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081004
observed 1477417e38c66768010a47ea0364d50e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:17.458657ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081004/manifest.json
observed b95189bd0474b5e085685d1ea3a9075f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:17.441531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081004/publication.md
observed 114a31021f186bbea3cc97fc43a4c3cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:17.423886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081004/publication.txt
observed 4d4af3cdea790a153f0909af3fe898a0...
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.