OpenTechnical

OT-2026-000078920

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, 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-2026-000078920) never changes.

Identity and time

Publication numberOT-2026-000078920 · never reused
Internal UUID01a0ae95-ccbd-74c5-8ef5-48b53c5b7ee7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078920
StatusPUBLIC

Content hashes

Canonical text91c8b5b74553285f8e445f58f979fc91338f0d19e962c5c6cfed27cdea857dbe
Markdownb9d0a74d1ad94bd8b3b7979bd2b8a8c117bcd9bc1590dcb527ad7a073c92333e
PDF
Publication page3d48a08b4be7ea530dba1653da5c3640fe6e10bb501bf83d6be72bd6a4bd9eb6
Manifest45d47f18faff12b001bb6ceb3d07a68974870fefc7426261ab988e474e444081

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
Signature8/mznL1o7zDcs72+oGY03OqwPwMLmRBNV2DL/RBvfsrbwXFkr5KLK1OXipOUrUb87+zH/gweczfGo0xl268oBA==
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

2026-09-17T10:05:44.530929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078920
observed 3d48a08b4be7ea530dba1653da5c3640...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:44.514273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078920/manifest.json
observed 45d47f18faff12b001bb6ceb3d07a689...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:44.494684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078920/publication.md
observed b9d0a74d1ad94bd8b3b7979bd2b8a8c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:44.474652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078920/publication.txt
observed 91c8b5b74553285f8e445f58f979fc91...
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.