OpenTechnical

OT-2026-000058185

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000058185) never changes.

Identity and time

Publication numberOT-2026-000058185 · never reused
Internal UUID01a0ae88-6edb-7e69-becc-a607d1c30290 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058185
StatusPUBLIC

Content hashes

Canonical textebd2657ded82a7aeca73a9b5afcc249e4223bfb64b074a1e3feef83f332226d8
Markdownef6adf69629d7f1a8256d5cc5d61726d5faf1c009cfddb5c47fc6f051d315eea
PDF
Publication page7d0def46d8a5d6250a8e07201ade27b29ee2edbcbeeccfd26fd859e78a71b5e5
Manifest13699206c30c364572b3a9943800f72270bc1701c0787696066d70a4f139f674

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
SignatureNTkCtLhVgzf3lHZRlm6Iyi+X9weagt0aWealidwTxHFbDUTE+s9ixVcKG5dI89BjP28+DJdnQLergqU38etvCA==
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

2026-09-17T10:47:53.454066ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058185
observed 7d0def46d8a5d6250a8e07201ade27b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:53.434706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058185/manifest.json
observed 13699206c30c364572b3a9943800f722...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:53.415968ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058185/publication.md
observed ef6adf69629d7f1a8256d5cc5d61726d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:53.397239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058185/publication.txt
observed ebd2657ded82a7aeca73a9b5afcc249e...
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.