OpenTechnical

OT-2026-000029873

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000029873) never changes.

Identity and time

Publication numberOT-2026-000029873 · never reused
Internal UUID01a0ae73-ac47-73bb-a949-66ae62ee5238 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029873
StatusPUBLIC

Content hashes

Canonical textfa55ec514635e077a0695f5649c3a78e2435e0243492af2cfdef524dec0aafef
Markdown20a1d27467bdb9085ff64f1319140e4febc1db83add0fe9b6509506bef67a315
PDF
Publication paged47c3052515925c2270031564c3df0088b043f9a2102714806709aa828879043
Manifest47dfcfbef6a9d4f9a102a871b37b3aa1f13850d29a76842a0082294f86a80936

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
Signaturet58HkDkrhQkwoHulJ+g1kQUwbOdjfm2PRuCkeq+P9+qQL66WEw2hzhcrfli5Q+veLj7ksfglvRB8oUr1EGCRAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:38:34.168574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029873
observed d47c3052515925c2270031564c3df008...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:34.151941ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029873/manifest.json
observed 47dfcfbef6a9d4f9a102a871b37b3aa1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:34.135209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029873/publication.md
observed 20a1d27467bdb9085ff64f1319140e4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:34.117241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029873/publication.txt
observed fa55ec514635e077a0695f5649c3a78e...
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.