OpenTechnical

OT-2026-000068774

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off 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-2026-000068774) never changes.

Identity and time

Publication numberOT-2026-000068774 · never reused
Internal UUID01a0ae90-6dcb-7c61-8353-08e5724e164a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068774
StatusPUBLIC

Content hashes

Canonical text442e9b0796bfaef1449ff644677dc98e19012a8cb1d33123c3b8774c9914ac13
Markdown4bdd07ef0f2a5463f278470eeb3fbd1f264a29ce889b904fdfff361a5ba50e5a
PDF
Publication page5199cee898b23ddbc1c499dd769cc08d3f77df6c5ccbabb3a85fdc4c3ea6201b
Manifest22020317904d75651f68ab8488fe514a2198091570a8bd335020c562d194087b

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
Signature6u12EC5ozn4AdNY2mdxSarWwYMa/G29v2kby8d+zGM+CYeJsmV3ZPsZ9JlbjNV9uZpCzJLVQM4Go+vpwfyJ1AA==
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

2026-09-17T10:28:33.962796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068774
observed 5199cee898b23ddbc1c499dd769cc08d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:33.944992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068774/manifest.json
observed 22020317904d75651f68ab8488fe514a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:33.925426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068774/publication.md
observed 4bdd07ef0f2a5463f278470eeb3fbd1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:33.908926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068774/publication.txt
observed 442e9b0796bfaef1449ff644677dc98e...
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.