OpenTechnical

OT-2026-000039543

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000039543) never changes.

Identity and time

Publication numberOT-2026-000039543 · never reused
Internal UUID01a0ae78-d8d3-7e3c-aa25-190727b9b6a4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039543
StatusPUBLIC

Content hashes

Canonical text48604e44e52dc8a5a1c6a348f1aa48fc35ddd94c1b7713e055e57d21e08d71ac
Markdown0d05b112f0a80c4647b39c39aa3f3cffd5af8c4c2a1266b9356afdded16180c7
PDF
Publication pagebf807390f3644c78e6edeca22c87cefeaaa03496405581c3fe09e284673d508e
Manifest36e2311eefa34ea1dc6b58cd12d3b2059e52ef4d726ae68c0f2ed48b44c104aa

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
SignaturevNtDN8YDb/PUT8pkGhTxUirp09sUFSwGNYGyHTpoBwVJNdCNKWyrt3o2QPO+/qetH3va7OLMWcv2/KVjIITKAg==
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

2026-09-17T11:19:41.523394ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039543
observed bf807390f3644c78e6edeca22c87cefe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:41.506493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039543/manifest.json
observed 36e2311eefa34ea1dc6b58cd12d3b205...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:41.489616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039543/publication.md
observed 0d05b112f0a80c4647b39c39aa3f3cff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:41.472943ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039543/publication.txt
observed 48604e44e52dc8a5a1c6a348f1aa48fc...
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.