OpenTechnical

OT-2026-000091068

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, single stage ejector, pressure sensor per zone, sustained blow-off before set-down

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-2026-000091068) never changes.

Identity and time

Publication numberOT-2026-000091068 · never reused
Internal UUID01a0ae9c-c012-785f-86fa-5be9816ce8fd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091068
StatusPUBLIC

Content hashes

Canonical textce38efb75b5590a728c338eb6dd00385bb467e93ba54d570c13171b3530449b0
Markdowna6743783b1f440a19ea6d623da2ed185a7e001feaf8c0e0549ac870b547d1ddd
PDF
Publication page3a086db7f0602fe009077388332e9b8f39fd20efa3d9d1c9c562a9e385464650
Manifest21f43cc3ee6446f296958a9bf1d0e758950a5e180e4d82fc7f1e15bfca7b70ff

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
SignatureQ8+LK2cTxiKb8+4SVJ/bSGUACxrRSOVC+E8dbqPr/vopXxbXj51eRnPrxqfM7s2w571F2aEvsPTTgarP5KTVBQ==
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

2026-09-17T09:44:18.682320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091068
observed 3a086db7f0602fe009077388332e9b8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:18.666285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091068/manifest.json
observed 21f43cc3ee6446f296958a9bf1d0e758...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:18.650169ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091068/publication.md
observed a6743783b1f440a19ea6d623da2ed185...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:18.632073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091068/publication.txt
observed ce38efb75b5590a728c338eb6dd00385...
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.