OpenTechnical

OT-2026-000014159

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two stage ejector, pulsed 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-2026-000014159) never changes.

Identity and time

Publication numberOT-2026-000014159 · never reused
Internal UUID01a0ae6d-b278-71b5-aab2-dd9d477ce813 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014159
StatusPUBLIC

Content hashes

Canonical text5961d0ada83b16059157a551a09f4e1281a6a280f0d29b1633d78ae14efc50eb
Markdown5cc472aaecdfa66e43302615cd4c930d33217c7e19e2ffba26ea469465b5a02e
PDF
Publication pagefe537f23a72b88ded59c8c58de342c59be34f887c1f2c683740808860b9841e1
Manifest6072e1aaff43e206fe1a7110c893fe2c2a5e98022cc6727ceff6bc9a247ae2ef

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
Signature10zgob/tWPDe4zaqPo3gWR9dGjcfipAYy6YSZTjf5+A2vFqU6XwKwrfOSdDBE1WXiEH1QRMoG2ieFDLRKdpKCA==
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

2026-09-17T12:07:14.594886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014159
observed fe537f23a72b88ded59c8c58de342c59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:14.575929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014159/manifest.json
observed 6072e1aaff43e206fe1a7110c893fe2c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:14.557605ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014159/publication.md
observed 5cc472aaecdfa66e43302615cd4c930d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:14.538789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014159/publication.txt
observed 5961d0ada83b16059157a551a09f4e12...
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.