OpenTechnical

OT-2026-000012781

Publication integrity record

Single cup vacuum gripper, single stage ejector, 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-2026-000012781) never changes.

Identity and time

Publication numberOT-2026-000012781 · never reused
Internal UUID01a0ae6d-5563-7a28-97b1-e90cda656412 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012781
StatusPUBLIC

Content hashes

Canonical text6d8bb58aa6089b475a412de1c4de0b9d0eee41fb621e777a820d10e1687e5008
Markdownc78a277e126f5a58af22441d5678fbf3b30b034d0ab6cca36e029be03e5ea352
PDF
Publication pagea5c47bff57aa45bde3a77def78569888831bd1e18487e237d30f7cc3afa329bc
Manifest8662aead76166a5bd244e576454d3daac59f104665714213373c4385865bd235

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
SignaturetlCEKNa9g1MrzLd90eSXURxBUmF2Z6ns1EYO//35qRMd9Bwve+pBG0+fsmNwhnQWX/bnbMVBZePs8DRS0JufBw==
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

2026-09-17T12:10:30.020170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012781
observed a5c47bff57aa45bde3a77def78569888...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:29.997191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012781/manifest.json
observed 8662aead76166a5bd244e576454d3daa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:29.974653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012781/publication.md
observed c78a277e126f5a58af22441d5678fbf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:29.955005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012781/publication.txt
observed 6d8bb58aa6089b475a412de1c4de0b9d...
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.