OpenTechnical

OT-2026-000104049

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, three stage ejector, pulsed blow-off after 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-2026-000104049) never changes.

Identity and time

Publication numberOT-2026-000104049 · never reused
Internal UUID01a0aea5-341e-7e77-99b0-9ec64f2a2efd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104049
StatusPUBLIC

Content hashes

Canonical text1661de12641ac2cf56ecf8225d2d796805cd739c708f4cd57c784ee5e3dbf30e
Markdown6d09b7d7208c247bf1c2a8331d08c4ed2002a5535433a8b4c43b767cabab9006
PDF
Publication paged477d94305cb4048ce92b3065f8965e07f5010a2ceee4919f8514b261993cddf
Manifest4ffcf81269f30430cf2616b74f5f7161bc28c63400767f836c8fa4dfc0c18327

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
Signaturet4GUGkxNlk/TpZlTQ6UdeZewowRF4qXbTMWl5vY4+iyiH4pe5SYh3yJrexH3Hovue7dBgW41QDEdi0tdTufqDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:06.979517ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104049
observed d477d94305cb4048ce92b3065f8965e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:06.962161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104049/manifest.json
observed 4ffcf81269f30430cf2616b74f5f7161...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:06.944238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104049/publication.md
observed 6d09b7d7208c247bf1c2a8331d08c4ed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:06.925321ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104049/publication.txt
observed 1661de12641ac2cf56ecf8225d2d7968...
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.