OpenTechnical

OT-2026-000078483

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, pressure sensor per zone, 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-2026-000078483) never changes.

Identity and time

Publication numberOT-2026-000078483 · never reused
Internal UUID01a0ae95-7c28-76af-a08c-97be5231b424 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078483
StatusPUBLIC

Content hashes

Canonical text3efac6b7e8e4e9600a693d6ddd7c989ac0d8924b616816623cb3823a48af5bce
Markdownc1d343600d51363071ccfb34788af818856c9fb9dac8d8d3bac111b3654c795e
PDF
Publication page59f779c9bc0185b72c14078fdbc438e4a4bc757ae1c5a298b0f61e4bfffdb201
Manifest6f72026e438f630e63bff4a69ff075614f90c3a722962da18b9ae2b3b77ed1d0

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
SignatureYLHrfqTH3ULT52vYKvoDjSKdo7ukZPJoDU7bIPvy5I4MrUfe+R1B7epDpTOnCk+EmWBCjkkqFT7fNQ2q3g93AA==
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

2026-09-17T10:06:29.623421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078483
observed 59f779c9bc0185b72c14078fdbc438e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:29.604033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078483/manifest.json
observed 6f72026e438f630e63bff4a69ff07561...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:29.584451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078483/publication.md
observed c1d343600d51363071ccfb34788af818...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:29.564102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078483/publication.txt
observed 3efac6b7e8e4e9600a693d6ddd7c989a...
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.