OpenTechnical

OT-2026-000023806

Publication integrity record

Foam pad vacuum gripper, two stage ejector, 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-2026-000023806) never changes.

Identity and time

Publication numberOT-2026-000023806 · never reused
Internal UUID01a0ae70-aed5-7371-b908-3e0687960279 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023806
StatusPUBLIC

Content hashes

Canonical textc60101a80a04f49e4bd62cda7d7421dd0be27967ca0297cbaaa26fde2ccc47d9
Markdown8adeeb39864aed6fe62a711a6c013498131e2972a86ff4c115f85d74f8a73901
PDF
Publication pagef6ea4bc433685b5c7d1700371d8e8ee24004779dc433b713a949d281f07c3d8e
Manifest8ee7a3124facf7998f0257ef4a38a2fa11531fd266f50a34458276acde3ca75b

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
Signature/0FOgod8W8AmTVkAtvoLyKMr6VB62BmxbVvrvn+WN5kCsqPbXP6+ZAYH8nYTGHsVvFfufHZC/8EKm80DgddFAA==
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

2026-09-17T11:50:17.149221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023806
observed f6ea4bc433685b5c7d1700371d8e8ee2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:17.127204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023806/manifest.json
observed 8ee7a3124facf7998f0257ef4a38a2fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:17.106372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023806/publication.md
observed 8adeeb39864aed6fe62a711a6c013498...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:17.088371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023806/publication.txt
observed c60101a80a04f49e4bd62cda7d7421dd...
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.