OpenTechnical

OT-2026-000043564

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, three stage ejector, 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-2026-000043564) never changes.

Identity and time

Publication numberOT-2026-000043564 · never reused
Internal UUID01a0ae7b-92cf-7be1-9bbf-732e470f39ae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043564
StatusPUBLIC

Content hashes

Canonical text4efcec8bb5b7459b214aa1006b042ebb4787d1e2791bc0078cb114ef81b9e047
Markdown31a45732bb91b093c8db0df2181e13883d48a525602d3d44754d5dbdad9253ec
PDF
Publication page0cb5734f9e86fa838469422320f0e3e6ec34e75e46bfa9076a7c65494d55b4fe
Manifestf1e268914d3cda55322cb3ebf5280264d239c0705cc300b464448b93521a9346

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
Signature3VCYuyiX2NLTYLLSGW1ejr/3Rgt0VrpTxtMjL2WluF5YbmlpGkxILV/bjOsUc9BVFZ71ZcxwpixrH9rIJyB+AQ==
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

2026-09-17T11:12:57.420364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043564
observed 0cb5734f9e86fa838469422320f0e3e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:57.402810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043564/manifest.json
observed f1e268914d3cda55322cb3ebf5280264...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:57.382603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043564/publication.md
observed 31a45732bb91b093c8db0df2181e1388...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:57.362179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043564/publication.txt
observed 4efcec8bb5b7459b214aa1006b042ebb...
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.