OpenTechnical

OT-2026-000037803

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000037803) never changes.

Identity and time

Publication numberOT-2026-000037803 · never reused
Internal UUID01a0ae77-f889-7cc1-9cda-c391b813321f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037803
StatusPUBLIC

Content hashes

Canonical text3a3b4eb2e35a7b23f236e2e23f5970f552fb735578388cef2c9b0a530e503b41
Markdowne3c14cce1bc8596ad1646ea47b73a9149fddb72ea9ea9c64f83776cfcfb5a4b9
PDF
Publication paged829b581047d55157bb2859edfbe49f398c8eaef48470ca17c34c8e5fcd50d43
Manifest328ee95186837b936e78a7c1efeb9ace44e1a4fb4288840f96486f755323e2d2

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
SignatureemF1A6DGdJbVuo4vF28bX2ml6TgGXRwcPz2b/MwRa2vRMu0kUsBI/S7ShlBAZ5o97ZEuJrsWdXufsE2OaMf6Dw==
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

2026-09-17T11:23:02.827929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037803
observed d829b581047d55157bb2859edfbe49f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:02.808747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037803/manifest.json
observed 328ee95186837b936e78a7c1efeb9ace...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:02.788595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037803/publication.md
observed e3c14cce1bc8596ad1646ea47b73a914...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:02.770808ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037803/publication.txt
observed 3a3b4eb2e35a7b23f236e2e23f5970f5...
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.