OpenTechnical

OT-2026-000080810

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, single 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-2026-000080810) never changes.

Identity and time

Publication numberOT-2026-000080810 · never reused
Internal UUID01a0ae96-b974-7a64-8a83-fa2c3d5a5078 · 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-2026-000080810
StatusPUBLIC

Content hashes

Canonical text438ffd95e3f71db1c2c1cd64abb739e64332842d01db6f8fc05a63a9c9f42f78
Markdowneba859a55fa81bce23b12b929fd28c59e653e77d845846d10df65d4be6314320
PDF
Publication page4fc849895d3f3b6e4a39e2b1fefd3855363c2d2e13c6c0286202e0b31e15949c
Manifesta414840278ce94300b3e03b305ac13150eeef80c9cd39860d0da4bfb2ad6bb03

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
SignaturepA79IoF13dd7D8t4tNrKvvMAYvlD4lq9zJK/L7k7KUFiMRcoMGBW/PGc4rULyrZ/3uXZ8h3Sl3AJqGqJHzZXBA==
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

2026-09-17T10:01:59.454506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080810
observed 4fc849895d3f3b6e4a39e2b1fefd3855...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:59.432355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080810/manifest.json
observed a414840278ce94300b3e03b305ac1315...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:59.413467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080810/publication.md
observed eba859a55fa81bce23b12b929fd28c59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:59.394389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080810/publication.txt
observed 438ffd95e3f71db1c2c1cd64abb739e6...
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.