OpenTechnical

OT-2026-000061680

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, sustained 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-2026-000061680) never changes.

Identity and time

Publication numberOT-2026-000061680 · never reused
Internal UUID01a0ae8b-b8aa-75de-b091-358b34343ff1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:27.528336Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061680
StatusPUBLIC

Content hashes

Canonical textfa37dae5a37ff92311d628a918d3653ddd10a364077a8b5c0280872b1a2aa878
Markdown646ea775a892c20c4e7e662bb4713325c90de85aa304fbb94a15b70fd2b40821
PDF
Publication page7541cca696d7c8993fedd27766071b2691842f4e0d3a3a75b0f04f23cb523db2
Manifestefb673a0a3193b4d2f9eb6da2398c732a5360c6c11e10f2249dc9ab46822bbc5

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
Signature6uGFLOE2/U+2fkaomlODCAVT8YkfqZ0/sQCd+Ed4AXboSVkUb2LhOfx+3OO3LqtjKED4o72eN5PkKLaRo4kBBA==
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...

Independent retrieval

2026-09-17T10:40:14.186992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061680
observed 7541cca696d7c8993fedd27766071b26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:14.163609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061680/manifest.json
observed efb673a0a3193b4d2f9eb6da2398c732...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:14.143457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061680/publication.md
observed 646ea775a892c20c4e7e662bb4713325...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:40:14.118888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061680/publication.txt
observed fa37dae5a37ff92311d628a918d3653d...
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.