OpenTechnical

OT-2026-000026727

Publication integrity record

Foam pad vacuum gripper, two zone face, two 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-2026-000026727) never changes.

Identity and time

Publication numberOT-2026-000026727 · never reused
Internal UUID01a0ae71-f4ab-7032-a2f0-c9dacd9f9b94 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026727
StatusPUBLIC

Content hashes

Canonical text4ae5f42f41c53bf84490a88ba18972a03039d9983366d8897534ac57bb099ba5
Markdown39b1b06572115203c2e76a039026e1b2ba001805b1fb961b7bcf78274309d34a
PDF
Publication pagef6535bfaeca8c35d1666b1ac66c184c3b1f9a180a2efd800a65b14825a047a5c
Manifestedc516cecedbbdc1175bdeb4bf2b402fec57b1ff1cbadfa3491a4bb72f0e25ae

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
Signature0r7+N9BQ8a9ORx48D457n5wG0nDaZljSiSXs/qWyz4rb4ZKxtg0m3d9wNp4P5fhp1ojlzdb9YLN6zusqLZ5IBg==
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

2026-09-17T11:45:54.473324ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026727
observed f6535bfaeca8c35d1666b1ac66c184c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:54.456519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026727/manifest.json
observed edc516cecedbbdc1175bdeb4bf2b402f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:54.438335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026727/publication.md
observed 39b1b06572115203c2e76a039026e1b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:54.418396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026727/publication.txt
observed 4ae5f42f41c53bf84490a88ba18972a0...
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.