OpenTechnical

OT-2026-000022558

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, single 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-2026-000022558) never changes.

Identity and time

Publication numberOT-2026-000022558 · never reused
Internal UUID01a0ae6f-f4ff-7b98-8b71-3e36c27157d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022558
StatusPUBLIC

Content hashes

Canonical text0f5c4638a4fd931c885048f79fbfc9f9d6fc9cacea188e5eb62eb3faddf238fe
Markdown0b64d1fee0fa569a695efd413d24f5244da7ad36498912ab195575eb3fbe7a77
PDF
Publication page4e47a12727df234df93e6a44cd343564b10b1f369c4d9358f77a9e9faa6b0e22
Manifest25188d699ac13244e4cbb0f0aceb1bc13e432985fb2add706c54c9733022673d

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
SignatureE7ZiLZyr74QelNXYB8BHx7extG6DRkwQ2iIbR3Rm4U999c+/K1c1Y9s8VnDRvzNiPoVflkDThNX2kAltqiSFDg==
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

2026-09-17T11:53:59.718631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022558
observed 4e47a12727df234df93e6a44cd343564...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:59.699982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022558/manifest.json
observed 25188d699ac13244e4cbb0f0aceb1bc1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:59.681745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022558/publication.md
observed 0b64d1fee0fa569a695efd413d24f524...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:59.664611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022558/publication.txt
observed 0f5c4638a4fd931c885048f79fbfc9f9...
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.