OpenTechnical

OT-2026-000008273

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000008273) never changes.

Identity and time

Publication numberOT-2026-000008273 · never reused
Internal UUID01a0ae6a-908e-7be6-9e98-585c31455d8c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008273
StatusPUBLIC

Content hashes

Canonical text7e253facc0b459418103c1980fae1124b8ae511cee59ae1edf82da78fc6004bb
Markdownb79f46499ec5ca585e83aa28646172f5779639ff0ed083f978145940abbcb1ab
PDF
Publication pagedf04ca3b0cdd9fdc8e2fd0e1ff198961bfcd78f77b5605f9db3fcb7861b3a7f0
Manifestfe40b1d1afe39f628936f4b430eda2de0a1aa50233cf9d323ed82ad55e8fe6c2

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
SignatureZdcXszpkl+FcBZPfJvaHrpZkhiViSV28uUBNSTXXwChAYKQYZpeoi7cPaxzjB4qtTwCHCYxSbb6/rNF5Z+2DCA==
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

2026-09-17T12:20:42.588159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008273
observed df04ca3b0cdd9fdc8e2fd0e1ff198961...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:42.569299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008273/manifest.json
observed fe40b1d1afe39f628936f4b430eda2de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:42.548718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008273/publication.md
observed b79f46499ec5ca585e83aa28646172f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:42.529855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008273/publication.txt
observed 7e253facc0b459418103c1980fae1124...
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.