OpenTechnical

OT-2026-000009273

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, single 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-2026-000009273) never changes.

Identity and time

Publication numberOT-2026-000009273 · never reused
Internal UUID01a0ae6b-31ba-7b36-98d2-604e550fb0b5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009273
StatusPUBLIC

Content hashes

Canonical text038da0a23b1bbebcba29923228c335675014402323961d638f7e5f0690f8f1b1
Markdownf7b34c2ac265ab9d00237f168fdb81ab456f1d1301f2f4c32ec4ccb924eac8b0
PDF
Publication page706bdb7397a30b06f768b6b7be8d1b45929528455c5450297609d5c8b8425127
Manifesta3e8b53480837a572f3a1a7099d79f9c0d0de4fc61f066cba6ca09e7561fe716

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
SignatureJIvYSoLekhf6FbAuteHRZpqOvOKZu0HAr6PqsMe8ATznAE+8RoNzQRn1tTfKfsc+NXNZ4X1YHsGuMTFL/VihBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:02.160099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009273
observed 706bdb7397a30b06f768b6b7be8d1b45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:02.141222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009273/manifest.json
observed a3e8b53480837a572f3a1a7099d79f9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:02.121783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009273/publication.md
observed f7b34c2ac265ab9d00237f168fdb81ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:02.100786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009273/publication.txt
observed 038da0a23b1bbebcba29923228c33567...
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.