OpenTechnical

OT-2026-000103769

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, pulsed blow-off after 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-2026-000103769) never changes.

Identity and time

Publication numberOT-2026-000103769 · never reused
Internal UUID01a0aea4-e463-7051-b213-ddc20893ffb3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:57.105586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103769
StatusPUBLIC

Content hashes

Canonical text6409d2e1843fb25cced1caa9ebce2beace77f7b387db81ac9c4c8c317e32baaa
Markdownbdd4aebdbb0d449fc28adb026b0e922e970656d56e7e6c60eaf7fdb28714e72c
PDF
Publication pagea6ec58163099b594c5563857eeddc66bc2a0eb1bfde8564efe1cac3f7da54d38
Manifest206aad72fe0cb11e0aebd295ee1bca18be409d6690df7e4a6d71edebb5b4dd5d

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
Signature8FaAzznu2UA5NzYFoMp0zbGmolz0sf1kL8cH9BPSRfbD1p3ias0Am+iHBCJLytHkyP72/biLCrfsTUV5VlxPBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:22:43.211081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103769
observed a6ec58163099b594c5563857eeddc66b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:43.195887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103769/manifest.json
observed 206aad72fe0cb11e0aebd295ee1bca18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:43.180591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103769/publication.md
observed bdd4aebdbb0d449fc28adb026b0e922e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:22:43.165928ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103769/publication.txt
observed 6409d2e1843fb25cced1caa9ebce2bea...
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.