OpenTechnical

OT-2026-000038112

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line 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-2026-000038112) never changes.

Identity and time

Publication numberOT-2026-000038112 · never reused
Internal UUID01a0ae77-f88b-7584-bfb5-c9db11db3e8a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038112
StatusPUBLIC

Content hashes

Canonical text4a9494288d1b2c707704949e7dd2d6a660ed0f50edb564236f488eed0b61b5fc
Markdown812753c146a49a9193c2d9c8f89c0b597e6c233a38d2a7825f59810b73f1af10
PDF
Publication page5e2ae0fef7476ea0011991c3dbdafe1a4f2e89280367bd94c643ed3b4c31ad0c
Manifest73d453e04a4291c59ec8fadb349ec6d85e21ffb99394049ca7dc6b3b5b750cbf

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
SignaturedjSfiTQICbL2aPUAcqFZ+/QietdAfjRTKAnnJvm5dw4UFpxsw6kUet+m9DKQ2xySG7PgleXreTpgFVTH4cFUCA==
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

2026-09-17T11:23:27.058303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038112
observed 5e2ae0fef7476ea0011991c3dbdafe1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:27.040250ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038112/manifest.json
observed 73d453e04a4291c59ec8fadb349ec6d8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:27.021905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038112/publication.md
observed 812753c146a49a9193c2d9c8f89c0b59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:27.002605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038112/publication.txt
observed 4a9494288d1b2c707704949e7dd2d6a6...
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.