OpenTechnical

OT-2026-000016015

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three 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-2026-000016015) never changes.

Identity and time

Publication numberOT-2026-000016015 · never reused
Internal UUID01a0ae6e-0c4d-7ffc-98a7-f6f87effda23 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016015
StatusPUBLIC

Content hashes

Canonical text723800643d9e237b19f9b0026aaee97938b65d127e11dad45c77baaf2590b21c
Markdownb1b9dc61708b75187598e69f610662180d38b950f0aa2522845a04d553d351c9
PDF
Publication pagefb911f7330462dc969e6d1b87b0d29f6897b17cf4e055c86487d23b3d3499aac
Manifest620b84576709c6f81bd98bc0e158f6949db753c592970b7f008598bdb552b58b

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
Signature3smghPfXgs+CiCH8/IVtYjAJ/VRZkie1lOpNGAH50UOd660LeWyvJxBtFFA5BQo12feN5WIJYFeeeQYYIRHAAg==
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

2026-09-17T12:05:33.411389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016015
observed fb911f7330462dc969e6d1b87b0d29f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:33.387064ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016015/manifest.json
observed 620b84576709c6f81bd98bc0e158f694...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:33.360535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016015/publication.md
observed b1b9dc61708b75187598e69f61066218...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:33.342176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016015/publication.txt
observed 723800643d9e237b19f9b0026aaee979...
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.