OpenTechnical

OT-2026-000068041

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000068041) never changes.

Identity and time

Publication numberOT-2026-000068041 · never reused
Internal UUID01a0ae8f-c4fe-794c-838b-59c08859db2d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068041
StatusPUBLIC

Content hashes

Canonical text4028ca656056c6ffd838a84d81b9e5c015e206161350a38f8193b0e533d62102
Markdown8c58a81b7bba8084717e7968185f220c060419b7ac6d5237aeffc08e75d5191d
PDF
Publication page4c727d2b9d91b47b7e1a07c962990f3d4a5bc7378f97eb8ad749e442a691520b
Manifestd63188747f9b1adf597a53ee3445bd2b651978547344312e7b7fc7f6a85a1f25

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
SignatureMp9mObbdPTQjxmoZ9rQPCmDaYAc8rjamHbKc5I0XKTNlJ2m1vKhV+a5gkvrhwaLgMZSQLAee/CN2slFE1+MZBg==
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

2026-09-17T10:30:36.525875ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068041
observed 4c727d2b9d91b47b7e1a07c962990f3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:36.509219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068041/manifest.json
observed d63188747f9b1adf597a53ee3445bd2b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:36.492481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068041/publication.md
observed 8c58a81b7bba8084717e7968185f220c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:36.476567ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068041/publication.txt
observed 4028ca656056c6ffd838a84d81b9e5c0...
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.