OpenTechnical

OT-2026-000054801

Publication integrity record

Four cup vacuum gripper, four outlet manifold, three stage ejector, manifold pressure sensor, vented 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-2026-000054801) never changes.

Identity and time

Publication numberOT-2026-000054801 · never reused
Internal UUID01a0ae86-1285-7861-a878-03d119013ecc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:17.489937Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054801
StatusPUBLIC

Content hashes

Canonical text9b4b5f3719e14fcd4afb0d032fb5fa0f4bf5295b9d2be9b03e3cde91a977406c
Markdowne22f06aabe5c7544779745c0fe1247f44fdde46c4d1267b698c0b418849da2b7
PDF
Publication page7995c24a1b137ddf0dbad9cc47ecc125da30a4c9e5d5ac0db984c9183414d4a4
Manifest9d6d4da773b87f83251958a458c93022de5b44a39ad35dc362774dad9ed8f293

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
SignatureQ8B4avegl6fNvK6RDruMRT4RVznYpnld87SpTOSm2vaYpQ7pkbmCtQu7ooADrOGRFzHQOOi3G1GjmDPjRHSjCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:00.188126ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054801
observed 7995c24a1b137ddf0dbad9cc47ecc125...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:00.169598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054801/manifest.json
observed 9d6d4da773b87f83251958a458c93022...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:00.151791ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054801/publication.md
observed e22f06aabe5c7544779745c0fe1247f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:00.135407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054801/publication.txt
observed 9b4b5f3719e14fcd4afb0d032fb5fa0f...
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.