OpenTechnical

OT-2026-000053016

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, supply line 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-2026-000053016) never changes.

Identity and time

Publication numberOT-2026-000053016 · never reused
Internal UUID01a0ae84-a430-7b30-a5aa-728494d0a886 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053016
StatusPUBLIC

Content hashes

Canonical text42d0988fea254315e2f033de8e2f9a04e8a2834848651b3ca4f256e1f14afa69
Markdownb3ffa4db65808b9464577c7d9b3badbb0f5b831a309b40a76cbab5e4cf29cf63
PDF
Publication page4a89bc2a31a21b89e9a21be32693964d27bd721076336eaa7d3b4c8af85975fc
Manifestdc2a5397b694b18123227030cdd01aa43ef5f5ef5c7e521a69182d3d6250ebba

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
SignatureeJ+quiCLvp8/6B40hoop+/kuSgxvXiO1u2jhMj8bUqdX+/fgaKL0IK3sQ+2EKtJcyQfwg3I1bGmbqFfq5yipAQ==
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

2026-09-17T10:56:42.976272ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053016
observed 4a89bc2a31a21b89e9a21be32693964d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:42.955927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053016/manifest.json
observed dc2a5397b694b18123227030cdd01aa4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:42.938287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053016/publication.md
observed b3ffa4db65808b9464577c7d9b3badbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:42.920632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053016/publication.txt
observed 42d0988fea254315e2f033de8e2f9a04...
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.