OpenTechnical

OT-2026-000033465

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, pulsed blow-off after 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-2026-000033465) never changes.

Identity and time

Publication numberOT-2026-000033465 · never reused
Internal UUID01a0ae75-a38d-7389-956e-6035f6225986 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033465
StatusPUBLIC

Content hashes

Canonical textc572d87e4e4498330cb1dbb5d25394048bd80d6049ff2423ee4671b68f1f422b
Markdown839ad032a2126b97e759d4ce80bf2cbfe6003a13be32f9e521fed19866e24f61
PDF
Publication pagedf9e7bc69f76f12e8997e2a001de170091bd9a5c794502194c382d9d7902ecae
Manifest8dcc9710791fa2f316829e32b0490d7a5818a5100764ce0e9add16971966edae

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
SignatureWBUbHobrO4PzNdGJaGIzC3qQOELrxBR5y130jhmp2sTf8553yuu5tYMmYB2QRld8E02gTITzCx/8buUDYG0OAg==
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

2026-09-17T11:31:18.319891ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033465
observed df9e7bc69f76f12e8997e2a001de1700...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:18.302493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033465/manifest.json
observed 8dcc9710791fa2f316829e32b0490d7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:18.282825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033465/publication.md
observed 839ad032a2126b97e759d4ce80bf2cbf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:18.261130ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033465/publication.txt
observed c572d87e4e4498330cb1dbb5d2539404...
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.