OpenTechnical

OT-2026-000070843

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, two 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-2026-000070843) never changes.

Identity and time

Publication numberOT-2026-000070843 · never reused
Internal UUID01a0ae91-8c2d-7e3a-b0e7-4c3acce79261 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:49.344646Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070843
StatusPUBLIC

Content hashes

Canonical text0696929482feee5ff02c0ca9e0c96a5331317d7b900c5a1f6d9fb651b2862380
Markdown824563f2812beb3641505507d9d517996b4cd9c7bb59510426628d6d6dfc2b98
PDF
Publication page8d346d1ab6b60a5a71edb125e1f0196d27fc5cc68e9e04ed3ae660eb6dea5a67
Manifest58a7cec6083668165941c4e4c2ed507225874a7ccc24cef722d1ce158902adcc

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
SignatureeIWIhgm4i5Hzilfjl8tEr3KxgDCz93pHPqjGs2ahUeebT2WV2ta21kOtFhfwFxx/+L+6nyAHsaND39Y52IpNCQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:25:39.693872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070843
observed 8d346d1ab6b60a5a71edb125e1f0196d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:39.677803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070843/manifest.json
observed 58a7cec6083668165941c4e4c2ed5072...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:39.661213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070843/publication.md
observed 824563f2812beb3641505507d9d51799...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:25:39.643423ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070843/publication.txt
observed 0696929482feee5ff02c0ca9e0c96a53...
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.