OpenTechnical

OT-2026-000057729

Publication integrity record

Two cup vacuum gripper, two outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000057729) never changes.

Identity and time

Publication numberOT-2026-000057729 · never reused
Internal UUID01a0ae88-2695-758e-b6da-b840575850e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:33.513637Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057729
StatusPUBLIC

Content hashes

Canonical textaffe6f2f29d45f8bfd0244f98c045b96e75dde9ad4b80a4cad5bbe388f91b16f
Markdown1955bde27a80785a6cec8997b43d80761f6834f4c562d4847cd6595b3e133334
PDF
Publication page59aa8742d14d34fe85c8f3fffdf594f9212109a643bc2b566697c0529825bd78
Manifeste0db0ae42214cfa92a0ac9113e43c7b8372de282fd86cb0d1281eb6fd159b166

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
SignaturezJ8cJ4n08xaJtxovj3pJLM47eQNyKLsf1ffbAQnPvR28KoWiuBMrDzggIl0GgReOoWppMqNCjj/56ajRWWjWCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:48:24.141410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057729
observed 59aa8742d14d34fe85c8f3fffdf594f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:24.123800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057729/manifest.json
observed e0db0ae42214cfa92a0ac9113e43c7b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:24.105686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057729/publication.md
observed 1955bde27a80785a6cec8997b43d8076...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:24.086649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057729/publication.txt
observed affe6f2f29d45f8bfd0244f98c045b96...
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.