OpenTechnical

OT-2026-000077548

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, vented 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-2026-000077548) never changes.

Identity and time

Publication numberOT-2026-000077548 · never reused
Internal UUID01a0ae95-2ece-7b74-ab4f-609c7bf95f49 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077548
StatusPUBLIC

Content hashes

Canonical textce87e914dffdf38b1f3da84a287dde1da2af9ef6a54d7f43104a65f7e396cee0
Markdownb0e8902e02fa38a5f48f14c941c26d01f631ec72da64100a486f1aa352e8ce77
PDF
Publication page21db341310776081812bf90d4acda6b43cf7ea680059e320830d2a5231a53f1d
Manifestc6b1233a8cc4da520c5286fbe5f1233a132d1a95bbc9ff136124c3c2301fd8cb

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
Signature4BI5FuMy0DMbetHU+TFe4cCckr64vossXiO1ffXGms0UvaDJ5x3TBonm8ZuM0r/A1ztqpmBnlCTfdSJcO8ahDQ==
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

2026-09-17T10:07:01.445227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077548
observed 21db341310776081812bf90d4acda6b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:01.422864ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077548/manifest.json
observed c6b1233a8cc4da520c5286fbe5f1233a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:01.405618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077548/publication.md
observed b0e8902e02fa38a5f48f14c941c26d01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:01.387075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077548/publication.txt
observed ce87e914dffdf38b1f3da84a287dde1d...
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.