OpenTechnical

OT-2026-000048188

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, pulsed blow-off 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-2026-000048188) never changes.

Identity and time

Publication numberOT-2026-000048188 · never reused
Internal UUID01a0ae80-4de2-74e3-a7bc-66e8e40e9af7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048188
StatusPUBLIC

Content hashes

Canonical text61d50c389931d9446381d83b128d476041bfc110e18f9a33eb3530429ebe1109
Markdown6f210554ebc55a0d10f3af08c1c71fc264c4d98b58cf92491f6a86dbb2bbb9fc
PDF
Publication page8121a27bd5c8dc162e48140cae0062cc46a9303044f54dad869697e289483749
Manifesteab2eeeae945293ecf07f4166556a13a0db0d6117e1ced9cff4b60bc6d0849ab

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
SignatureEuODqOf6DSXXFBe8Ru/IezfCKgMmfz8H9cq+YR9OOHJX9NLrDJAB10+PpBl/YPYVvgLfoAS2WTMAWs/htb+TBg==
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

2026-09-17T11:04:43.705445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048188
observed 8121a27bd5c8dc162e48140cae0062cc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:43.683785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048188/manifest.json
observed eab2eeeae945293ecf07f4166556a13a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:43.662443ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048188/publication.md
observed 6f210554ebc55a0d10f3af08c1c71fc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:43.642065ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048188/publication.txt
observed 61d50c389931d9446381d83b128d4760...
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.