OpenTechnical

OT-2026-000020732

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, pulsed 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-2026-000020732) never changes.

Identity and time

Publication numberOT-2026-000020732 · never reused
Internal UUID01a0ae6f-65e2-7d47-9527-717cb58aa1ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020732
StatusPUBLIC

Content hashes

Canonical textbc608d6897fbca55313868fe6aa4ed890a5d03795c667d8fabd7e07b81a1b711
Markdowne3ba184cade94c41098f10ecc47311b02b7e1ee6639c3d6c8b2dc3b5f473a23a
PDF
Publication page20e203d1e92394680232a8f68ab1372126ff6f6f1b226925e1a980eb32eaf7aa
Manifestfcd971c00d89f44c584b0aa87c878eb7ed5a2e790c457487b09d0e73022576b4

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
SignaturerYAnD5i/s1b/A5NhnrScDr3CVCY8tOdqalBzE/1iZG89Kk29g15kK5qUhfoo45gUpJTnScMdrfhXPivzEkucDA==
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

2026-09-17T11:55:47.620701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020732
observed 20e203d1e92394680232a8f68ab13721...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:47.601494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020732/manifest.json
observed fcd971c00d89f44c584b0aa87c878eb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:47.582830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020732/publication.md
observed e3ba184cade94c41098f10ecc47311b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:55:47.564274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020732/publication.txt
observed bc608d6897fbca55313868fe6aa4ed89...
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.