OpenTechnical

OT-2026-000050178

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000050178) never changes.

Identity and time

Publication numberOT-2026-000050178 · never reused
Internal UUID01a0ae82-5c45-7919-abd0-a3dcee325022 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050178
StatusPUBLIC

Content hashes

Canonical text8abbe3fdd6a456864e67cef7e1fedfbab9e3ec3ddf2a4d859981936512f3d742
Markdownd374ef3c863c24dcd0cbe3ee2f2c582af3f258d965de779e3e2680153df822e1
PDF
Publication page045b15fccc13471e97c90ca548822372baf01a57839ba5dacf2c9c446f29fd1d
Manifestc94d3e95f74275693bdf8b34c5ba537cfa704ee15ff0ba4d291ed8ade82f5286

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
SignaturetmhTqEaqjmQPCsEjNHyn4dUDCXgZ1L2I2Ii1PX0G8DNk/WR2l6fpzguRi1ThT6sHr3Mvmk66uVbIaJ1FGRwXDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:01:09.561528ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050178
observed 045b15fccc13471e97c90ca548822372...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:09.543561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050178/manifest.json
observed c94d3e95f74275693bdf8b34c5ba537c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:09.525799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050178/publication.md
observed d374ef3c863c24dcd0cbe3ee2f2c582a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:09.505838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050178/publication.txt
observed 8abbe3fdd6a456864e67cef7e1fedfba...
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.