OpenTechnical

OT-2026-000006619

Publication integrity record

Porous face vacuum gripper, two stage ejector, pressure verified, sustained blow off after 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-2026-000006619) never changes.

Identity and time

Publication numberOT-2026-000006619 · never reused
Internal UUID01a0a961-91a0-75ef-9f3e-bc973131852a · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:42:18.914651Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006619
StatusPUBLIC

Content hashes

Canonical textc827dca0c6b5b4e1edabdf2f024ca726a7639d62c527fe63f1601c9c7bf28561
Markdownc94d7614d2c52f7bc8e1d23d34d5a00d840868c740c82c45e0834f009849ffa2
PDF
Publication page0c1babf126f10e0e8ac6a5212a779841e487276717837cc6d795deefcf2912e7
Manifest573aa6c58195cec7f058a65da6925c2d3468cd4680058e388019c52c3f918614

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
Signaturexk7k9J5nFhAffXAISv2bAZKVA/LG8f/Spvc4WFYU9Sc0U+ro2V23G0B6lyRjYeHKUNuYGnkvNpnXAZC0Kiu1AQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:50:24.636770ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006619
observed 0c1babf126f10e0e8ac6a5212a779841...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:24.501988ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006619/manifest.json
observed 573aa6c58195cec7f058a65da6925c2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:24.488430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006619/publication.md
observed c94d7614d2c52f7bc8e1d23d34d5a00d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:50:24.475061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006619/publication.txt
observed c827dca0c6b5b4e1edabdf2f024ca726...
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.