OpenTechnical

OT-2026-000085013

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, pump 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-2026-000085013) never changes.

Identity and time

Publication numberOT-2026-000085013 · never reused
Internal UUID01a0ae99-43b7-7b46-93ab-c13ed8fa0958 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085013
StatusPUBLIC

Content hashes

Canonical text149a2c0c35fe10374a95472c3cd8326bf6cac0ec1983c597dff721bc0ee8d7e3
Markdown795dd3e6e71e9921e920521cae0c7e4ee76ba6b0267696103db9e591cfdb82b9
PDF
Publication page2700f9e3cc92cab465665f571ffedcd2f6470bf5b860f527ae35312009cea235
Manifest266f664d54ad02a6c15d30db0fe69ad2180a7761a7c00538489260addc068264

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
SignaturectHYQ+4wubQKqdwlCX2/+BQckJ7BO02h2R5MmkWdqSniPFOM+GS/oGILkVZaViHDzz/IEoFT9aFTVc+wGAt3Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:55:01.252114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085013
observed 2700f9e3cc92cab465665f571ffedcd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:01.233516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085013/manifest.json
observed 266f664d54ad02a6c15d30db0fe69ad2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:01.215481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085013/publication.md
observed 795dd3e6e71e9921e920521cae0c7e4e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:01.197375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085013/publication.txt
observed 149a2c0c35fe10374a95472c3cd8326b...
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.