OpenTechnical

OT-2026-000089348

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, 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-2026-000089348) never changes.

Identity and time

Publication numberOT-2026-000089348 · never reused
Internal UUID01a0ae9b-db01-7638-826e-273fb31e16b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089348
StatusPUBLIC

Content hashes

Canonical textcf346b9b6f698a4764e4aece31df786ee22963fe3b21966eac21581167d59edf
Markdown5764436d3b5c3df5333beaf3dbb60ceb4b7432807725a7a0a33615ac11d025bb
PDF
Publication pagebda7b424cb38dd040735086498a58b335486dfb890cb92bfda9165e5f4edb2c8
Manifest8385e5173dc53c6fcfec57674cf3ef34886589f669124f7af6885b3adb23a96e

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
SignatureQObnMqYYIezE2qGNfYcKsX3wsu1s7jh5ddmmm3pvQRgxvnGmIkWKIqItZj38FCdEyqpjUanuPIY98kpIxpVfBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:47:24.205668ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089348
observed bda7b424cb38dd040735086498a58b33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:24.190409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089348/manifest.json
observed 8385e5173dc53c6fcfec57674cf3ef34...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:24.174235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089348/publication.md
observed 5764436d3b5c3df5333beaf3dbb60ceb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:24.158344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089348/publication.txt
observed cf346b9b6f698a4764e4aece31df786e...
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.