OpenTechnical

OT-2026-000054465

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line 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-2026-000054465) never changes.

Identity and time

Publication numberOT-2026-000054465 · never reused
Internal UUID01a0ae86-1282-75ec-8add-6b0b6b60f27b · 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-2026-000054465
StatusPUBLIC

Content hashes

Canonical text877baf6c614d1060077fe99621955ca32a6531b713fce57f6b4fb426db57cccc
Markdown69c8bf612a4f7c3c4f51571861d52fd115683648ffc76fed86e69f5c741c33cf
PDF
Publication page17bc99930c1031a3c216c9bfe4ea6ea09f849d7a02ea40fd50c650b638537433
Manifest095c98beb18b4526bd16887e860525b4a9563f110a784f0b26ffbcaa20e357d5

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
SignaturevHMuvOsTy0f3HQQF7hwRlKWORFsUpIjYP8sCMNZS6qW+udFI92XyJ8Fsnx/VQiNZ6qbzvr90UobPeFqL97hmDQ==
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

2026-09-17T10:53:27.514354ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054465
observed 17bc99930c1031a3c216c9bfe4ea6ea0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:27.496096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054465/manifest.json
observed 095c98beb18b4526bd16887e860525b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:27.476984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054465/publication.md
observed 69c8bf612a4f7c3c4f51571861d52fd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:53:27.460434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054465/publication.txt
observed 877baf6c614d1060077fe99621955ca3...
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.