OpenTechnical

OT-2026-000071886

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, pump fed, vented before 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-2026-000071886) never changes.

Identity and time

Publication numberOT-2026-000071886 · never reused
Internal UUID01a0ae92-1e93-74fc-9129-03f5913fb823 · 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-2026-000071886
StatusPUBLIC

Content hashes

Canonical textb3d57b680e6c5e3637e8a106c360df895da494d959b1c11aa367ccdf395954a9
Markdown14a16d379fb43a11bdad44aac02e42dd197ae042262d50917eaf44fbeb68f18a
PDF
Publication paged7bc2abd25fb2b3c475afca8951296f12e0711bd5c9e36c2b3da1aa8de689b7b
Manifest11746f4d183326fde5860d04761dd472ebb668b2d578e246e53d158e051bd262

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
SignatureAgctKCbi/zAPbxLRJBd6LGcS2k4XXIIN6wjiGJmZ0yaUwi6gsyvr4aDKtJ6gse3MpnSDqPBYVIY9NBWXp8K1Dg==
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

2026-09-17T10:24:35.576802ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071886
observed d7bc2abd25fb2b3c475afca8951296f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:35.558574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071886/manifest.json
observed 11746f4d183326fde5860d04761dd472...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:35.539160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071886/publication.md
observed 14a16d379fb43a11bdad44aac02e42dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:24:35.521183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071886/publication.txt
observed b3d57b680e6c5e3637e8a106c360df89...
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.