OpenTechnical

OT-2026-000054696

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000054696) never changes.

Identity and time

Publication numberOT-2026-000054696 · never reused
Internal UUID01a0ae86-1284-73a4-9c47-52535487121c · 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-2026-000054696
StatusPUBLIC

Content hashes

Canonical text0c4a4832f5c72a9e98f71d018bcb27a43a60816878271e78faae44b926e3ba92
Markdown736f3f9b47c097dba398ace6fca567c2beb244cb462c48d26e7d58fe4ad00db9
PDF
Publication pageffa20e2dad3fbd51a6453c3429d6c4568e77a08b3cb7e886defd205c7da53c43
Manifest49f8fb1bb85e9021cdb9ed0a6af910904af93bbd2be8e26eed5d898c9ca52ebd

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
SignatureToHT/c4WN9d0ntpPNE9UsZHM/3+yfFqlKsqasmiarkCadv/Ois2oaLJad2YtctBM73P67Efou9RlwoNyDxucBA==
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

2026-09-17T10:53:47.301444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054696
observed ffa20e2dad3fbd51a6453c3429d6c456...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:47.282306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054696/manifest.json
observed 49f8fb1bb85e9021cdb9ed0a6af91090...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:47.261621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054696/publication.md
observed 736f3f9b47c097dba398ace6fca567c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:47.242655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054696/publication.txt
observed 0c4a4832f5c72a9e98f71d018bcb27a4...
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.