OpenTechnical

OT-2026-000042356

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, pulsed blow-off after 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-2026-000042356) never changes.

Identity and time

Publication numberOT-2026-000042356 · never reused
Internal UUID01a0ae7a-5d74-7a77-b1c4-a0dd32b1f9eb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042356
StatusPUBLIC

Content hashes

Canonical textc9e0c85cc9ac2b934693e21ac09ae16c4e65b6cfac2cec7afaaec7863e6e2b3a
Markdownd5f9bbb6f2908c97bff52ad17b9809bf214a1cb19e1f9df4018cd6fef306b5f5
PDF
Publication page614bb8a32a33791daec3f1f4e03321ba7b271e0552c4c36f6e01300fc0d2dc81
Manifesta41a1f647eaccd21318265cecb6526122216c68bb4d87b655f4ff4056b602d0b

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
Signature2BsF4IUIFTiheqK/SwOV2dJ3uVu1qvF2W1fh8zTMCvSbBIyhRMHW96czbW1PExxbs78sXl4/nvIU/ZCrCpBwAQ==
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

2026-09-17T11:16:04.117806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042356
observed 614bb8a32a33791daec3f1f4e03321ba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:04.100546ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042356/manifest.json
observed a41a1f647eaccd21318265cecb652612...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:04.081594ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042356/publication.md
observed d5f9bbb6f2908c97bff52ad17b9809bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:04.061001ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042356/publication.txt
observed c9e0c85cc9ac2b934693e21ac09ae16c...
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.