OpenTechnical

OT-2026-000035815

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, 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-2026-000035815) never changes.

Identity and time

Publication numberOT-2026-000035815 · never reused
Internal UUID01a0ae76-b4c9-73ea-bf57-04b78a78c546 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:30.265572Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035815
StatusPUBLIC

Content hashes

Canonical text3e582fe76fe85ef962002d9392d3a5e67f7e55f9db3b5e6c3b8a735dbbbcb099
Markdown365c167a29c9252598c7c992d085e5191ba46f7da794cdcceb48f56b2d077fde
PDF
Publication pageaee1262a5b1841316ae7f072c61f4948ac02a128c51bf7e08f9059f52bfe8687
Manifest80f1df1ac53154895901c4703a3b8cbee3195d0def3e46bafe374ca3367e26f0

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
Signature88d9U7jMFl4tzy6EVvd/o3xancoLwtztHK9gvYJlIU3VDFGvHFfId2trfPMwvMzLF6a2Sw8ToW6tLCekWjAHAg==
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

2026-09-17T11:27:31.768846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035815
observed aee1262a5b1841316ae7f072c61f4948...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:31.747674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035815/manifest.json
observed 80f1df1ac53154895901c4703a3b8cbe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:31.729129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035815/publication.md
observed 365c167a29c9252598c7c992d085e519...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:27:31.712472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035815/publication.txt
observed 3e582fe76fe85ef962002d9392d3a5e6...
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.