OpenTechnical

OT-2026-000061145

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, vented 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-2026-000061145) never changes.

Identity and time

Publication numberOT-2026-000061145 · never reused
Internal UUID01a0ae8b-137e-7d43-ac9a-d2047f038d7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061145
StatusPUBLIC

Content hashes

Canonical text4235c006d700b544de9231ed6f7ea923e5daf190cec9e3439c2901c245686930
Markdownab0c2c9665b1aac7c6d57d7f8180706ba498ba14ca43b1453a8977ccd174f602
PDF
Publication pageaee48a1d9071be41c727cc366957988a6354bbfd157a6fff47e185cdd5dc1631
Manifested92a78e3c989a124cdb287a2f764dec4fb74f049aa141a5023d2624dbe8ae0c

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
Signature1YPinTXP+NGKjWUUhXXt779Yo2/2bYCyCGiemxNxoYyBtrpf5sjEOI+AT81HPrsmeRaoc2cF9RR7n4mMXE68Bg==
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...

Independent retrieval

2026-09-17T10:42:31.608763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061145
observed aee48a1d9071be41c727cc366957988a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:31.589434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061145/manifest.json
observed ed92a78e3c989a124cdb287a2f764dec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:31.571288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061145/publication.md
observed ab0c2c9665b1aac7c6d57d7f8180706b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:31.552751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061145/publication.txt
observed 4235c006d700b544de9231ed6f7ea923...
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.