OpenTechnical

OT-2026-000050241

Publication integrity record

Two cup vacuum gripper, two outlet manifold, three stage ejector, vented 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-2026-000050241) never changes.

Identity and time

Publication numberOT-2026-000050241 · never reused
Internal UUID01a0ae82-5c46-7fa1-b3e8-765b96975d17 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050241
StatusPUBLIC

Content hashes

Canonical textcc1b9dfa16889e9a2bad4245b86a1859dd255d2c831c11439c3ed5ff9b35cbce
Markdown3735f6c985cc8f43b158e7292e14fe2fe51f8e519d31df284111c6bba8cc57d2
PDF
Publication pagee0ae4ffb944a454d5e768f160643ff015d598bbfe884cb66e756568b7fe72ea4
Manifestbf2150c9f186707ce8eb6be81b7f8f55c9d5fac41ebadb64b0c1b89b9753d67e

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
SignatureFCgY9BJW/kEXHLWpyr2qy3esZJjDkne4fSPOsRD+dPaxC1BWSq6i6bqyBWkRA3wSjXc/q55kcm3+JpsgRRLCDQ==
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

2026-09-17T11:01:14.250193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050241
observed e0ae4ffb944a454d5e768f160643ff01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:14.233431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050241/manifest.json
observed bf2150c9f186707ce8eb6be81b7f8f55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:14.216482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050241/publication.md
observed 3735f6c985cc8f43b158e7292e14fe2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:14.198765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050241/publication.txt
observed cc1b9dfa16889e9a2bad4245b86a1859...
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.