OpenTechnical

OT-2026-000056800

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, sustained 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-2026-000056800) never changes.

Identity and time

Publication numberOT-2026-000056800 · never reused
Internal UUID01a0ae87-7af7-7da0-b5e8-f331400f2c10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:49.577818Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056800
StatusPUBLIC

Content hashes

Canonical text10b2b9f26488860c50dbdfbf9b9a42b9d5ba7f43fdba926ab0aa7e7aa92d21d8
Markdowne73c8360e833a41db673bd16b97ea976cb53b1d2c2e7f40924eed45828e5baa7
PDF
Publication page1e8f6973f18fc8b6251e89008f90842d3b255d4199fd4bcd5d340d748cb6846e
Manifest2623399f1084682e3ac0922c9f9d4ee40945677d83f8d67fbcae467954bdcaba

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
SignatureXHUB6QU/P/u6UHubNeWqYG0wdjpHOWyl2zvR46JeUNqk9K0dFvp1j/KRJPe77WsO5PVVLGCZD/4ZpSV0PUDzAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:17.024360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056800
observed 1e8f6973f18fc8b6251e89008f90842d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:17.004309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056800/manifest.json
observed 2623399f1084682e3ac0922c9f9d4ee4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:16.985011ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056800/publication.md
observed e73c8360e833a41db673bd16b97ea976...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:16.967370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056800/publication.txt
observed 10b2b9f26488860c50dbdfbf9b9a42b9...
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.