OpenTechnical

OT-2026-000023861

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000023861) never changes.

Identity and time

Publication numberOT-2026-000023861 · never reused
Internal UUID01a0ae70-aed6-7982-a7cd-34ba83b9177d · 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-2026-000023861
StatusPUBLIC

Content hashes

Canonical text2603f8a04f7a6e647f9e93218ee89def55040f214164ed0ffabea9b4c01d5cf9
Markdownc81adc14e820afb4571752e148eb4b89767b4f77344f977ac8ef2d78a3b25cce
PDF
Publication pagef82211398504a9a107eaa19c8d45fb464f75701bd35b51a11a361153c1d6fb38
Manifestc489d71094e943b0c705d6b0bf65dabcc43ed19daeb820dca34065d58ce294dc

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
Signature3fCcc6Gn9Pt2fsw6LlzeP2Fvv9bh3YjMToSfCG1y5683dKXH01NDD0tH8Ch3JGYpzYhwYJxjp4H8HwOpVkOiBg==
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

2026-09-17T11:50:27.863739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023861
observed f82211398504a9a107eaa19c8d45fb46...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:27.846873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023861/manifest.json
observed c489d71094e943b0c705d6b0bf65dabc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:27.823566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023861/publication.md
observed c81adc14e820afb4571752e148eb4b89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:27.799866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023861/publication.txt
observed 2603f8a04f7a6e647f9e93218ee89def...
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.