OpenTechnical

OT-2026-000008099

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, pump fed, pressure sensor per zone, pulsed blow-off 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-2026-000008099) never changes.

Identity and time

Publication numberOT-2026-000008099 · never reused
Internal UUID01a0ae6a-908c-7380-baa5-03d3bed1e1f2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008099
StatusPUBLIC

Content hashes

Canonical textb8a16cf17b061a6a62446c685ef0ac27ee548d4beb0460fb6b27f40fcc86429f
Markdown77c4978370c795125edb94086662a3989b0bfdbf87aa7d7f3c14077046b5731f
PDF
Publication page5fab5ac1d239e8c2519ece19bd28387cf698cd110c34d485f4ad05e892d30bc3
Manifest426549e667321f4e33457b47f8332af6312a471af88fdab754c21227d818d09c

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
SignatureGj8PANL2nXAeMDdJvP7iPmbnVsNFvavATFbtgypmE+CeOvieJvTGiWaQ31nuVi2zTHisW4aL6NNQHzUBRjstBw==
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

2026-09-17T12:20:23.419626ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008099
observed 5fab5ac1d239e8c2519ece19bd28387c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:23.398066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008099/manifest.json
observed 426549e667321f4e33457b47f8332af6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:23.379726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008099/publication.md
observed 77c4978370c795125edb94086662a398...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:23.357241ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008099/publication.txt
observed b8a16cf17b061a6a62446c685ef0ac27...
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.