OpenTechnical

OT-2026-000034704

Publication integrity record

Single bellows cup vacuum gripper, single stage ejector, supply line pressure sensor, sustained 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-2026-000034704) never changes.

Identity and time

Publication numberOT-2026-000034704 · never reused
Internal UUID01a0ae76-1ed2-7049-b256-8712543f542c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034704
StatusPUBLIC

Content hashes

Canonical text66d49151251d4d56dbe7621c5720e2e96906972374b45796d767f77dd1058b6b
Markdowncbb80bca18c0f344262c6781edade874610d6efc1856e50a2ad01d8794000ef7
PDF
Publication pagef0510e90ed0cace4e349112da06c8b61dbfba180230d052265f7cf423f10818e
Manifest31898f206df933b33cb0c4acca8714a5441b121bdf938b613c6d724837c551bd

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
SignaturejTkuITtvePpGAKkKMNXRofwi2veecDcwXUjjmJ7Hu4JS2BP2xfrpS7lRssSzFq/1oHCgk3C5WoW4m3mwzzk+Bg==
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

2026-09-17T11:30:05.929569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034704
observed f0510e90ed0cace4e349112da06c8b61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:05.902359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034704/manifest.json
observed 31898f206df933b33cb0c4acca8714a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:05.880058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034704/publication.md
observed cbb80bca18c0f344262c6781edade874...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:05.858416ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034704/publication.txt
observed 66d49151251d4d56dbe7621c5720e2e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:38.887073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034704
observed f0510e90ed0cace4e349112da06c8b61...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:38.871234ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034704/manifest.json
observed 31898f206df933b33cb0c4acca8714a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:38.853739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034704/publication.md
observed cbb80bca18c0f344262c6781edade874...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:38.835828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034704/publication.txt
observed 66d49151251d4d56dbe7621c5720e2e9...
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.