OpenTechnical

OT-2026-000015716

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, single 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-2026-000015716) never changes.

Identity and time

Publication numberOT-2026-000015716 · never reused
Internal UUID01a0ae6e-0c4b-7a0f-8bcf-73330f63e296 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015716
StatusPUBLIC

Content hashes

Canonical text9f475516882cb2133c370824ec17329f83a7c4f8e4da61167182c09f43fd3dcf
Markdown9c07fadb4a83595441fc510e2c95a11c88f50d6bb70fc3dbf6c221c887431734
PDF
Publication page3472c60b6fbd01ac16f30160ca1d87bf30e65e6aa720c400d45cbfa34519466c
Manifest3f84141cc9c51def945c01b66635277e925d62dd2ed8de19efec0a0b71b9fdfc

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
SignatureV5mqtUIFMVP/bXj0bTjZMsdpIcRcXXJmSuXHbMP1xkFoXzlpqfmgPvgbffNzaeqyDfJPMzkYId06QezatuBeAQ==
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

2026-09-17T12:04:59.881856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015716
observed 3472c60b6fbd01ac16f30160ca1d87bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:59.866387ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015716/manifest.json
observed 3f84141cc9c51def945c01b66635277e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:59.849254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015716/publication.md
observed 9c07fadb4a83595441fc510e2c95a11c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:59.833602ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015716/publication.txt
observed 9f475516882cb2133c370824ec17329f...
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.