OpenTechnical

OT-2026-000016081

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000016081) never changes.

Identity and time

Publication numberOT-2026-000016081 · never reused
Internal UUID01a0ae6e-0c4e-7e14-ad51-771bda2d4131 · 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-2026-000016081
StatusPUBLIC

Content hashes

Canonical text65057d16b547e8e46ad5354e4ce789dc97801fe6e056c460a48aaf20d77bce69
Markdown9fa04becf45d68008e9a5800e1f9bf032f3fa174225f324170f2807c210ea6d7
PDF
Publication page3bee57d68f13d59b9428b77591b08db95fb7715ae8c6a25e01f2eeb59f0e1a24
Manifest8dc82ef06618df6de4fc3403af4051581f454b48e4e289a39e15de9d380d8517

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
Signature43VFmaexuakjCZGo5iR0PzSUOVEXOHNJPShBZ5e6aqiM+0qLa4E/eUEnX6g40mtx3SM10fJswalfysUPkFInDQ==
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

2026-09-17T12:05:39.199581ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016081
observed 3bee57d68f13d59b9428b77591b08db9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:39.181275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016081/manifest.json
observed 8dc82ef06618df6de4fc3403af405158...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:39.161002ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016081/publication.md
observed 9fa04becf45d68008e9a5800e1f9bf03...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:39.139619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016081/publication.txt
observed 65057d16b547e8e46ad5354e4ce789dc...
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.