OpenTechnical

OT-2026-000012119

Publication integrity record

Three cup vacuum gripper, three zone face, single stage ejector, pulsed 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-2026-000012119) never changes.

Identity and time

Publication numberOT-2026-000012119 · never reused
Internal UUID01a0ae6d-39f4-7785-b668-83d37574bc1f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012119
StatusPUBLIC

Content hashes

Canonical text01e60e0d00a3538d819ab04c9991ebe1a6ca5f1d1342b7303f33a04c619ee602
Markdownf768f8e033709ab7f61acda1eb04711c6d69ba7b3753ca8aac13cf528001dcfc
PDF
Publication pageccb4ef86fab96a253a61d90e75ac0ed8e83bf53bdaeee32a5bbea37b0e4c3cf6
Manifest11e9ea96c1f37db48c204c0594679d84d6101894c1d80545738e34b7c79a6077

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
Signature5902mgNTdI2zuJe39n4R+tgfQcs2MHdWjTxRYhiwWjzxdX7XRx2DovIF2THULiotkF7vHM0CJA3EVUY6tY1pDQ==
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

2026-09-17T12:11:00.082274ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012119
observed ccb4ef86fab96a253a61d90e75ac0ed8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:00.060786ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012119/manifest.json
observed 11e9ea96c1f37db48c204c0594679d84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:00.039034ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012119/publication.md
observed f768f8e033709ab7f61acda1eb04711c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:00.016347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012119/publication.txt
observed 01e60e0d00a3538d819ab04c9991ebe1...
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.