OpenTechnical

OT-2026-000055512

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off after 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-2026-000055512) never changes.

Identity and time

Publication numberOT-2026-000055512 · never reused
Internal UUID01a0ae86-a102-7e58-b7c3-a26510de78ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055512
StatusPUBLIC

Content hashes

Canonical text837f6b4cd23779dc6f8121b2acfdd26c7aef33f389f073d5ac59df9950564e9c
Markdowncb4076702b9d31534a827a7412ed1ca228b3b9b5b8a9dbdcdd60e8ffa62b9684
PDF
Publication pageb2d1e38dd9ed44e986dd954e70ad381a44b547fe60a39f3d3d92bd573e32e096
Manifest4b5dda9b75a907be26054e5784bc61e63a506ce4d00e1d70b567cc54f152f38d

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
SignatureKxxCT7Y6/x+nDEGE+8IVrm5mRN6WuGZbUMVm/DjmM7hU2Ang3kfOPGhp8VWhgPVkmajY/VuPh2mgw6E/zfHrBQ==
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

2026-09-17T10:52:11.144604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055512
observed b2d1e38dd9ed44e986dd954e70ad381a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:11.125945ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055512/manifest.json
observed 4b5dda9b75a907be26054e5784bc61e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:11.107009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055512/publication.md
observed cb4076702b9d31534a827a7412ed1ca2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:11.087668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055512/publication.txt
observed 837f6b4cd23779dc6f8121b2acfdd26c...
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.