OpenTechnical

OT-2026-000100608

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, two stage ejector, pressure sensor per zone, sustained 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-2026-000100608) never changes.

Identity and time

Publication numberOT-2026-000100608 · never reused
Internal UUID01a0aea3-66f2-75c4-87ee-081e476401e2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100608
StatusPUBLIC

Content hashes

Canonical texta584cff9a771f43bd4d132069ed55dce79af3f2816efe357ef81a31dc2384d60
Markdownd71560f6cb5fbf0e7412ba0936765b7871cd267370ffeddac4e1d67094c94c16
PDF
Publication pageadccc9cd14ee0f585b01e494b8b3b6c662662f747b3ec7c18d7390f0c46f0189
Manifest0fe724550704e672bc2d28d31f0c9bdcfefad0e301fb4181c850429034247a0e

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
SignatureQBQyo4XkCXkuLD01kEhxIzN1X079R0m9pv54oz1QKwPc18CHl1An7xe+FYwtBSTidVivuakBrZugihDkdlROBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:24.012057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100608
observed adccc9cd14ee0f585b01e494b8b3b6c6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:23.993541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100608/manifest.json
observed 0fe724550704e672bc2d28d31f0c9bdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:23.972591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100608/publication.md
observed d71560f6cb5fbf0e7412ba0936765b78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:23.954648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100608/publication.txt
observed a584cff9a771f43bd4d132069ed55dce...
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.