OpenTechnical

OT-2026-000077412

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, 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-2026-000077412) never changes.

Identity and time

Publication numberOT-2026-000077412 · never reused
Internal UUID01a0ae94-f509-7486-926d-7fca4517650c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077412
StatusPUBLIC

Content hashes

Canonical textae2d0df8a0bf103c32673a1ebf585094afecaba1144c8f7e93291309978060c1
Markdowne6f4b8fa2037fea5855c89ceffbd73659d18263ca6e26f9f500b8f845bda3aff
PDF
Publication page3a2e593e78d6a042a4feca844667a435071fb37e745bb68724f1f9e6127771e1
Manifestc06f3ab915675a1b7ed91fec7419c6e62d0225d130a4952f5e220c42d9b2ee3e

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
SignaturehV++O7UIblfVbLD+j4g0PEwiSl9PIkd7PSUq1xgVFj6lk4TZiM3ThFq5+cuF/deBglJZz8EdEMyPMAp+OoE0DQ==
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

2026-09-17T10:09:03.687164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077412
observed 3a2e593e78d6a042a4feca844667a435...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:03.668313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077412/manifest.json
observed c06f3ab915675a1b7ed91fec7419c6e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:03.648377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077412/publication.md
observed e6f4b8fa2037fea5855c89ceffbd7365...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:03.627509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077412/publication.txt
observed ae2d0df8a0bf103c32673a1ebf585094...
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.