OpenTechnical

OT-2026-000014256

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, 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-2026-000014256) never changes.

Identity and time

Publication numberOT-2026-000014256 · never reused
Internal UUID01a0ae6d-b279-743d-80a9-4d7d27db51b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014256
StatusPUBLIC

Content hashes

Canonical textd5104ada5ec06e649b6e1747605589b3ce55102fb75336d06481a186404f73d2
Markdown28f950feeb1778207dd4c457b494d7b6d48d5ae861d1f6226577c4669ed4e1c6
PDF
Publication page5dcfd5440b3c51111932e77b4f63491c10dce315fee4042f18376cf52a257256
Manifesta56a26ff6d3dc690597edf81c6d9744cffd41f834edc11e611cf86dbe9d241a8

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
SignatureshC46eVfjYN0JQ0GpWFwclevvL3znfMGrBJX/0ovj/2l7blaT2x3cgy1FFbFsokVTbc1Y+Z6CydCJHXExbm+AA==
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

2026-09-17T12:07:22.907480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014256
observed 5dcfd5440b3c51111932e77b4f63491c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:22.887591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014256/manifest.json
observed a56a26ff6d3dc690597edf81c6d9744c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:22.868077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014256/publication.md
observed 28f950feeb1778207dd4c457b494d7b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:22.848168ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014256/publication.txt
observed d5104ada5ec06e649b6e1747605589b3...
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.