OpenTechnical

OT-2026-000065745

Publication integrity record

Three cup vacuum gripper, three 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-2026-000065745) never changes.

Identity and time

Publication numberOT-2026-000065745 · never reused
Internal UUID01a0ae8e-46fb-7d2e-814c-1ab06314a647 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:15.018480Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000065745
StatusPUBLIC

Content hashes

Canonical text058e4defc5f857fc5f8b132f1aac220c60ae9b42dbe1dee49b990f2e6b39bf9a
Markdown735f747c9d67c394798b6b47dfc5bbe36e780c5e9eb865efd9a2c52413524f25
PDF
Publication page343f3586447f0b7918af4fd03b45c0e50eb50096c506fbf17161581700157481
Manifest7eb300980e88200ee00a2b0d9b97b173a6439aade74c32d2b0a7bbeccda58079

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
Signaturei0sSNBWHQ0+ezET3k478cePVhttpbl2RctCxOU3UJ32k6ZKlq+GFcu1E1yctlsFfrwfLvp5IFe83+gKGmtU/Bw==
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

2026-09-17T10:34:10.546940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065745
observed 343f3586447f0b7918af4fd03b45c0e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:10.530614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065745/manifest.json
observed 7eb300980e88200ee00a2b0d9b97b173...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:10.511664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065745/publication.md
observed 735f747c9d67c394798b6b47dfc5bbe3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:34:10.494079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000065745/publication.txt
observed 058e4defc5f857fc5f8b132f1aac220c...
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.