OpenTechnical

OT-2026-000053064

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump 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-2026-000053064) never changes.

Identity and time

Publication numberOT-2026-000053064 · never reused
Internal UUID01a0ae84-a431-7a1a-89f7-6815bbf24bdd · 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-2026-000053064
StatusPUBLIC

Content hashes

Canonical text324fa016c691e7d89309ae247a94a0d08017dcea3e02ca5822f1daf5d43364a5
Markdown2d7a753d3a63047d7edf33fad9c1cb45050d25667144b69f7432c3220ef2d832
PDF
Publication pagee32f38d6a798d8b91e20d47463e881c3074e3e2b183534975ee1c23da1615477
Manifest97cef2438d47a5c4d2ba63a44cde276abc911f66b8b39f1ee5604c394e445a88

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
SignaturePq+C4rAyUIPo76AMqhnmMymftRT/QYbfpL+fRRdCfSQueAfVcEBsl8YFGQqkxvecXloRrkJi+Cv2zittkl1/Bg==
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

2026-09-17T10:56:46.707635ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053064
observed e32f38d6a798d8b91e20d47463e881c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:46.689190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053064/manifest.json
observed 97cef2438d47a5c4d2ba63a44cde276a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:46.670807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053064/publication.md
observed 2d7a753d3a63047d7edf33fad9c1cb45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:46.653806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053064/publication.txt
observed 324fa016c691e7d89309ae247a94a0d0...
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.