OpenTechnical

OT-2026-000068796

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000068796) never changes.

Identity and time

Publication numberOT-2026-000068796 · never reused
Internal UUID01a0ae90-6dcb-7b9c-afd5-10388c773948 · 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-2026-000068796
StatusPUBLIC

Content hashes

Canonical text7de7ebcf67e109063fdffc7363d06d1e5b7dc1a4cb5cacdce9fe1cb11963e220
Markdown806f048a3afcae77c75918fdf5f41bebb02e5ff172eadda4b770ed59129e8fcb
PDF
Publication page9c3c2bf056de3240e5628fe28efee634df640e2cc2ac967b8a1825194d5b4d21
Manifestdb73a40362c5f07e32169ec8c12f1ba559cb8289777efb1d3f7dcc71f978967e

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
SignatureQlkCDMENamm5QunJvECcwjHJN/vz/OdgfEnSZouwA+AWwBdR1PLvh9HmDqLIHfBuB4ps6v0q+06WR98zLU3OBA==
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

2026-09-17T10:28:35.798958ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068796
observed 9c3c2bf056de3240e5628fe28efee634...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:35.780501ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068796/manifest.json
observed db73a40362c5f07e32169ec8c12f1ba5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:35.761690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068796/publication.md
observed 806f048a3afcae77c75918fdf5f41beb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:35.742848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068796/publication.txt
observed 7de7ebcf67e109063fdffc7363d06d1e...
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.