OpenTechnical

OT-2026-000015313

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000015313) never changes.

Identity and time

Publication numberOT-2026-000015313 · never reused
Internal UUID01a0ae6d-ef49-7a22-a6bb-7f4b45b05185 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015313
StatusPUBLIC

Content hashes

Canonical textd1e0970b8ddced536cb387f0a3c7fd993c78baadfcee66e4a47f3743341e95cb
Markdownc31974d0097ccdc3923cd1d5debf0c0c6eb8fc0b7d0212ad5b1c4b98292bd3cc
PDF
Publication page514e8907af5c1c2d7be8ef60c8d8b6bede1a375e299c7b03ec10834a25b07c3b
Manifest6a9d0ef850e91f15207ffbe968ebb6653fa96f946f4f146ecc055bcc12b8002c

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
Signature/tr8HHv6+kTmyIQ9LwMBO4OUV20AzjLTnQ1i8jZdLro/YU2e/eLHr5A6FolLia+Po3uV/lQyzUIOL/m5goRSDg==
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

2026-09-17T12:06:00.420459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015313
observed 514e8907af5c1c2d7be8ef60c8d8b6be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:00.400799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015313/manifest.json
observed 6a9d0ef850e91f15207ffbe968ebb665...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:00.382472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015313/publication.md
observed c31974d0097ccdc3923cd1d5debf0c0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:00.364992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015313/publication.txt
observed d1e0970b8ddced536cb387f0a3c7fd99...
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.