OpenTechnical

OT-2026-000078258

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, pump fed, vented after set-down

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-2026-000078258) never changes.

Identity and time

Publication numberOT-2026-000078258 · never reused
Internal UUID01a0ae95-7c27-7e2d-9d70-26ed4fe0bed5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078258
StatusPUBLIC

Content hashes

Canonical textcbaad4f287b8aa7bd31e83ab4928f50f520bc720f6c25d437e1bf85bf5d89a1f
Markdown96ef9754211d1b33896f75012593be3906f423f2333faaf4cdbca6aafa7202b9
PDF
Publication page89d6f9e4b8c9077b454d8ead5c7d4a291bc41ccfe685d5b0e10fb09866cef2b8
Manifest3bdff424642c4960b843bdca368f4ab806edef223b4f1e4076ac4908dd8bfee3

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
SignaturerxAJ41mDVBx3wfXVo24L29jEZzX3hz8eGbbced4ZorZ67y4D0yVXlxJEe8WZuHy+uQGpD1iHPFBDVM3qo5dSAQ==
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

2026-09-17T10:06:12.559893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078258
observed 89d6f9e4b8c9077b454d8ead5c7d4a29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:12.540854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078258/manifest.json
observed 3bdff424642c4960b843bdca368f4ab8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:12.521677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078258/publication.md
observed 96ef9754211d1b33896f75012593be39...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:12.502486ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078258/publication.txt
observed cbaad4f287b8aa7bd31e83ab4928f50f...
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.