OpenTechnical

OT-2026-000029211

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pulsed blow-off before 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-2026-000029211) never changes.

Identity and time

Publication numberOT-2026-000029211 · never reused
Internal UUID01a0ae73-2aa0-7570-8bc7-4d8d97ef6538 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029211
StatusPUBLIC

Content hashes

Canonical text0952c2f641d731dcb93c418e672e729c80d9e7954884e34cae584ec87f17ff88
Markdownd24a7d5f00eb9f8128dc5f98cadce6aa05ad792e287a164aee5692673ba8dd0c
PDF
Publication page299952edb9665e286e7d4281a3794b50c7d488d31482c7f0ca11ef9a3967717b
Manifest347aba3f2e73b51edf018294ec8e6ee852a01c744b6d3e11fdb3dc3736c7c9e7

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
SignatureGAn/XmcVrr8ng19ybOgSoK3Sv0Jx0zcwh2FmYioRA7VeQ1nePPBey1l3BkPIxgcmku2PKpfl8AdljwJ+IMIeBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:39:49.745183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029211
observed 299952edb9665e286e7d4281a3794b50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:49.726655ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029211/manifest.json
observed 347aba3f2e73b51edf018294ec8e6ee8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:49.707717ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029211/publication.md
observed d24a7d5f00eb9f8128dc5f98cadce6aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:49.687937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029211/publication.txt
observed 0952c2f641d731dcb93c418e672e729c...
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.