OpenTechnical

OT-2026-000015038

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, 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-2026-000015038) never changes.

Identity and time

Publication numberOT-2026-000015038 · never reused
Internal UUID01a0ae6d-d096-7747-bb52-172e9091d170 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:47.560717Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015038
StatusPUBLIC

Content hashes

Canonical texte7f7e09f663ff49fb2966212cf662cf83d44cf1702a25ddab5226fe592ea8c13
Markdown66fc49ae96d5fe59ded8f782120eafc35e0d8cdbab8503e5a2388ca368ceb8dd
PDF
Publication page457b4ecf45bb4745996e77752f00f01717a4228b1ece4239ddc10b33ba38a53e
Manifest898310045ac5bbc9fcffa5c0b428ac520925e4b0e1e38a8c584586d02e60a6cc

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
SignatureSAwMRhfkqkiddbtDJicysV7IbU+fccc+VC7BwgE8VZCycN573KwiI7lTc1sqjm/NszsLN5JlzVNF9g0B8SpADQ==
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

2026-09-17T12:07:01.149876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015038
observed 457b4ecf45bb4745996e77752f00f017...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:01.123033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015038/manifest.json
observed 898310045ac5bbc9fcffa5c0b428ac52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:01.102295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015038/publication.md
observed 66fc49ae96d5fe59ded8f782120eafc3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:01.082105ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015038/publication.txt
observed e7f7e09f663ff49fb2966212cf662cf8...
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.