OpenTechnical

OT-2026-000008434

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, two stage ejector, vented before set-down, on a tool changer

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-2026-000008434) never changes.

Identity and time

Publication numberOT-2026-000008434 · never reused
Internal UUID01a0ae6a-e46a-7029-8e7f-cd512f0b2b98 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008434
StatusPUBLIC

Content hashes

Canonical textb3c2d1dde76f818ca9d29501b7b44b8dfcb99b79639cf923c14cbe27ae98ba8e
Markdown9687b52c12c72ab038792dfc07f0946867495de6687dd80508c6a6471db6090a
PDF
Publication page7fa8e20cb7409ce9f378050296da5e68e719c0537511756c3ff96ef66d01aeaa
Manifestf1d60275dbcd747535a054d44de128b3f9984bb3bac18c2c1fa48e11a7472ec5

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
SignatureE7MTo/sPf+iG3LFdizJGKYvh7vMejmepMMrZjuXat/8lnQNOe/8d1vpTANBqsRYbVI/U8Vw5prITa6mb/OS5DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:17.678830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008434
observed 7fa8e20cb7409ce9f378050296da5e68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:17.653035ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008434/manifest.json
observed f1d60275dbcd747535a054d44de128b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:17.631551ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008434/publication.md
observed 9687b52c12c72ab038792dfc07f09468...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:17.595781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008434/publication.txt
observed b3c2d1dde76f818ca9d29501b7b44b8d...
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.