OpenTechnical

OT-2026-000008274

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000008274) never changes.

Identity and time

Publication numberOT-2026-000008274 · never reused
Internal UUID01a0ae6a-908e-72ca-b7d2-571397f18ee8 · 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-2026-000008274
StatusPUBLIC

Content hashes

Canonical textf2178acff0209da72406c10dabc9f5726d23330739be47ffc49e8b81cd062f2b
Markdown1c0e2473ea6bc553f34a59c8f3e563603379d0c1ffdadd4d52bf282b9b1b149f
PDF
Publication page642d276507bb73b856946b025f46bc3945e0440daae6d6d4e1e9023980607663
Manifest9282a516cac067ee47e4e451f7604969bc8e6be1a24bf36e1b8302f3df7d1fdc

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
SignatureXs5YVZUmKR2ouhQ6NruqEvVZ+yZ8NRU68r8YL3rCFhTC3I4gtzqkZtzlXXpk+Bl6oPsb575r2vx+WwhDPgf9BA==
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

2026-09-17T12:20:42.669214ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008274
observed 642d276507bb73b856946b025f46bc39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:42.650469ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008274/manifest.json
observed 9282a516cac067ee47e4e451f7604969...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:42.624734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008274/publication.md
observed 1c0e2473ea6bc553f34a59c8f3e56360...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:42.608089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008274/publication.txt
observed f2178acff0209da72406c10dabc9f572...
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.