OpenTechnical

OT-2026-000017883

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, 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-2026-000017883) never changes.

Identity and time

Publication numberOT-2026-000017883 · never reused
Internal UUID01a0ae6e-96fb-7100-9e35-aa3be536afa9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017883
StatusPUBLIC

Content hashes

Canonical textc7cfe9cd18d751945ff443982f0ae496102ce5184e8c1a4e094aabf67c874bd8
Markdown779363393771d9d3f3236d2d5d5b91eb446395417dcf55bd046aa83fe2f205f8
PDF
Publication page404c46bcf1f5af2394567a1691d703df685fe7f1d1fe276110d3536decbb83db
Manifest4d37ce0095f6d7cb42ab51d9626da73919629a3559b1940a152e2ec37783d8e8

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
SignatureLeKfXK1tfUv3zJ2RZrkmnDPnP0YchlH7Gohhhp62PbM8LyEOta9Gd6WsN6M+MvgKXR2Ndro+8le/YbnPxAO/Bg==
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

2026-09-17T12:01:52.256563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017883
observed 404c46bcf1f5af2394567a1691d703df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:52.239677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017883/manifest.json
observed 4d37ce0095f6d7cb42ab51d9626da739...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:52.223656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017883/publication.md
observed 779363393771d9d3f3236d2d5d5b91eb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:52.209038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017883/publication.txt
observed c7cfe9cd18d751945ff443982f0ae496...
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.