OpenTechnical

OT-2026-000054641

Publication integrity record

Two cup vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, 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-2026-000054641) never changes.

Identity and time

Publication numberOT-2026-000054641 · never reused
Internal UUID01a0ae86-1284-72c6-9596-668efeb9a484 · 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-2026-000054641
StatusPUBLIC

Content hashes

Canonical text96a6ae04ee8f8beb745447ab7458ece6a1b55a0287d5556ba89f98b7c0327996
Markdownd117899daaa4d40b0748cabb9eac2057f37ac78e1ab05c3247f23bb24dae3904
PDF
Publication page3250f1402c8124e92b91336a067632d8cb3966999cd85a3e8064c1d24241d148
Manifest93dd32bca2053b9f5f9ef466a91b627f131ee9ed61a6ace9f1267632a2eaf9a1

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
SignaturesqCW7VHUbmYaeh6Je/zDdyPE8XiET1AHrUplOlHfafCjH1RBGCFGoCowkvhY6RuoYR1y5bJ67wHfEN6CXri2Aw==
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

2026-09-17T10:53:42.407825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054641
observed 3250f1402c8124e92b91336a067632d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:42.388860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054641/manifest.json
observed 93dd32bca2053b9f5f9ef466a91b627f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:42.370360ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054641/publication.md
observed d117899daaa4d40b0748cabb9eac2057...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:42.352121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054641/publication.txt
observed 96a6ae04ee8f8beb745447ab7458ece6...
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.