OpenTechnical

OT-2026-000053338

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, plant vacuum fed, vented before set-down

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-2026-000053338) never changes.

Identity and time

Publication numberOT-2026-000053338 · never reused
Internal UUID01a0ae85-0a16-7515-9e72-765f126989c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053338
StatusPUBLIC

Content hashes

Canonical text395acfc42bf87bd66c1dee0c193c60efa7c8f6021bf5dcccfc054865bcfffbe0
Markdown9b01e3e1f89d23cde895d4ac17fcfcfe8eb74be0b7d26663331f60af732bf69f
PDF
Publication page79df95a4dad7a7146d68fdcbd96ece0cf454ce8f3becd7563e3a9a5d9e7fe732
Manifestfda12c5f037e83bba2c69566ff21cfe02afeaa4bbba788f47a879ea4f89abdbb

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
SignaturevzRrkNc3yoTuuHINWeRbiN/PdsU98RsPXEiOfUoW/PveSCjEOCx9DiX9TpMYPW23YM5OUWATN5wJvB4SXxQVCA==
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

2026-09-17T10:55:02.679477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053338
observed 79df95a4dad7a7146d68fdcbd96ece0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:02.661793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053338/manifest.json
observed fda12c5f037e83bba2c69566ff21cfe0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:02.626643ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053338/publication.md
observed 9b01e3e1f89d23cde895d4ac17fcfcfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:02.585895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053338/publication.txt
observed 395acfc42bf87bd66c1dee0c193c60ef...
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.