OpenTechnical

OT-2026-000070870

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single stage ejector, vented 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-2026-000070870) never changes.

Identity and time

Publication numberOT-2026-000070870 · never reused
Internal UUID01a0ae91-8c2d-7894-8dbe-82c58f84e476 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070870
StatusPUBLIC

Content hashes

Canonical text8062dd464b23173653ac80a5f4ad32ef28008a6cab866c21df6b8636696c82e6
Markdown927dfde07f5cbc0831ed04029be2107cd058ba3e29ed6399e7893a039f261c0b
PDF
Publication page6e07bd2c629a6c1eebbda4b09bfce5b6d2c1de78e6d77e3ab4793ec8b88cba73
Manifestd5d151f3f6f8ab71943d0afd121798735c67d2e7423cc7e32cec2b40ea1f6202

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
Signature7557LtZ05VyxbaXzes5JB+FLij2scd/QO3/U++i67X9Pe17iRZQIngtiHDxXQFaqxxHBXFH+nfeWIsGx3bfGDA==
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

2026-09-17T10:25:41.567963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070870
observed 6e07bd2c629a6c1eebbda4b09bfce5b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:41.551875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070870/manifest.json
observed d5d151f3f6f8ab71943d0afd12179873...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:41.534518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070870/publication.md
observed 927dfde07f5cbc0831ed04029be2107c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:41.517428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070870/publication.txt
observed 8062dd464b23173653ac80a5f4ad32ef...
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.