OpenTechnical

OT-2026-000071850

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two 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-2026-000071850) never changes.

Identity and time

Publication numberOT-2026-000071850 · never reused
Internal UUID01a0ae92-1e92-7525-8ec4-e2d56dcd3c0f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071850
StatusPUBLIC

Content hashes

Canonical text17ce1d4449a06728da525b36b2e23ab78c4162cf2a427d54c44557575f628a31
Markdowndd94f0ea80f45c428c9486eaf04fd92ec35298e766f0302f4af7a1348c1856b2
PDF
Publication page9f2ac9426d85bbc8614e1fadad4d0e45f7e0c7d0d9c171f6b81a1f843a5ccdbe
Manifestea855dae1b08609fb06331cb1c53ae13c9a2cb38ff39bc7cd73ecec4efc1ae69

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
SignaturehCjuH85imiiRd1WTCqSuM5GGbb68ysBjmlUf8EjyitC9sgLGECMJd2OvC4caw+emyETXV1gKruCQY6fufsagAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:24:01.820900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071850
observed 9f2ac9426d85bbc8614e1fadad4d0e45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:01.803935ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071850/manifest.json
observed ea855dae1b08609fb06331cb1c53ae13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:01.785392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071850/publication.md
observed dd94f0ea80f45c428c9486eaf04fd92e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:01.767153ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071850/publication.txt
observed 17ce1d4449a06728da525b36b2e23ab7...
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.