OpenTechnical

OT-2026-000035207

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, plant vacuum 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-2026-000035207) never changes.

Identity and time

Publication numberOT-2026-000035207 · never reused
Internal UUID01a0ae76-6a1e-718f-b72e-c3e2e6449b1d · 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-2026-000035207
StatusPUBLIC

Content hashes

Canonical textb12f17c00a1f9aa7ec509b6edb2f932dc2f8ad485b0f92594292cc8941d1cab9
Markdownc70e01555cc7b3347b992e8cd7033f0ac413870ecb4398c6494710719cd1eb35
PDF
Publication page2e8ab34f1c116184d6bc190f6281616694187819cdeaaddcb68187b9ac21b9fc
Manifest27095274dedcd4602539fa818c78c35dfe833e9ac9c4c3192ebc70771dc7903c

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
SignaturemUuDrBJy7sgJC6QyzIsHBWEh4y5GGtVI2w7/xhQp1WdJYx7MPZrYOCJAyjgeHlV/4fuyEeKGw9TlZcKuYcI8Cw==
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

2026-09-17T11:28:20.105511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035207
observed 2e8ab34f1c116184d6bc190f62816166...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:20.087909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035207/manifest.json
observed 27095274dedcd4602539fa818c78c35d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:20.070099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035207/publication.md
observed c70e01555cc7b3347b992e8cd7033f0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:20.052014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035207/publication.txt
observed b12f17c00a1f9aa7ec509b6edb2f932d...
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.