OpenTechnical

OT-2026-000057148

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, sustained 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-2026-000057148) never changes.

Identity and time

Publication numberOT-2026-000057148 · never reused
Internal UUID01a0ae87-d5b9-7953-97d6-252b27a18765 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057148
StatusPUBLIC

Content hashes

Canonical text48acd6ec1f3be6c472f2fe907f0eb29223f1614ba8f884c5f0701188550666f0
Markdown8d3d41bb1acf57d206763246ef19003c579b81d8b730aea08e4d6a6fad10bb9d
PDF
Publication pagec7f28647790dfc20f4b74fdac68bc1d33c767debbddb5d9ab2d7f982c92f520b
Manifestf463f0d38ce2320e807e3a862829c260ca68c35a2fa065ed2c8dcd7ac6744521

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
SignatureBmudFGgLtH+NNDq0IgS30TQm3Em5ZMg6eXKwtiqWPPScr2fzbWtJhpaHXcRcyKZDlqBIXP/OHBz9yML+nVb/Cg==
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

2026-09-17T10:50:09.356187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057148
observed c7f28647790dfc20f4b74fdac68bc1d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:09.335826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057148/manifest.json
observed f463f0d38ce2320e807e3a862829c260...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:09.317264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057148/publication.md
observed 8d3d41bb1acf57d206763246ef19003c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:09.299224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057148/publication.txt
observed 48acd6ec1f3be6c472f2fe907f0eb292...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:16.683563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057148
observed c7f28647790dfc20f4b74fdac68bc1d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:16.665908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057148/manifest.json
observed f463f0d38ce2320e807e3a862829c260...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:16.647599ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057148/publication.md
observed 8d3d41bb1acf57d206763246ef19003c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:49:16.629892ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057148/publication.txt
observed 48acd6ec1f3be6c472f2fe907f0eb292...
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.