OpenTechnical

OT-2026-000077786

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, single 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-2026-000077786) never changes.

Identity and time

Publication numberOT-2026-000077786 · never reused
Internal UUID01a0ae95-2ed0-76b5-b6df-adbbfd247af8 · 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-2026-000077786
StatusPUBLIC

Content hashes

Canonical textba7038a3eabde7a946d44a8b98439704aa91f7a3e9de7ae8449cc8bade7cb949
Markdownf0b08eed7fb1c01ed52dbdc43f55d1e8a047adede5f368ab94650fcd4c2b9f18
PDF
Publication page902a79dd852d3ef159c055c56f444beb9b3a1bf9654825a4f4b2a46027b8821c
Manifest1d49e78b03bda7892f18e702b799f95bec6feceb14597da2d88d3769e03dd959

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
Signature6BvAHKy9x86V+y95y8m97N4J1OwUjPp3xPoTzZJB1bemjnLVPtyemVVUNi5egrGImdnWt9T1XQAAQSUcFztyAg==
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

2026-09-17T10:07:22.392637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077786
observed 902a79dd852d3ef159c055c56f444beb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:22.374464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077786/manifest.json
observed 1d49e78b03bda7892f18e702b799f95b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:22.355142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077786/publication.md
observed f0b08eed7fb1c01ed52dbdc43f55d1e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:22.335369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077786/publication.txt
observed ba7038a3eabde7a946d44a8b98439704...
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.