OpenTechnical

OT-2026-000035375

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, single stage ejector, supply line pressure sensor, 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-2026-000035375) never changes.

Identity and time

Publication numberOT-2026-000035375 · never reused
Internal UUID01a0ae76-6a20-7a76-b4a3-6c90cf3da504 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035375
StatusPUBLIC

Content hashes

Canonical text563dc73b5ee7966df9f0d43184dbb0bed58e8262fe552da8dd61dacec055d751
Markdown641b2e4ed2cb21072c4a35e9b2a4bdc92e7db2a8177fbb763cce967bc85ec7bb
PDF
Publication pagee8ad6d813c4c1e0ac8efb294a2af5aa2ce6036575e64b26200907acb54135eea
Manifest116d4eacf366386ebae2896c8ba2607a0971dc19149f3c20e426eaff84aa29a6

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
SignatureR4c9TadxO7FoDhfiWahaM+WlZnqTdN9UANqvdCZdQP6AwDzGilqTQPRdxjBprGBldUeSZqDH1D3nzOYQoy8RBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:28:40.040481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035375
observed e8ad6d813c4c1e0ac8efb294a2af5aa2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:40.022728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035375/manifest.json
observed 116d4eacf366386ebae2896c8ba2607a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:40.006440ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035375/publication.md
observed 641b2e4ed2cb21072c4a35e9b2a4bdc9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:39.988253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035375/publication.txt
observed 563dc73b5ee7966df9f0d43184dbb0be...
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.