OpenTechnical

OT-2026-000083713

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, two stage ejector, 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-2026-000083713) never changes.

Identity and time

Publication numberOT-2026-000083713 · never reused
Internal UUID01a0ae98-0417-77ee-8f29-aa35a2176f33 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083713
StatusPUBLIC

Content hashes

Canonical text2f973e07eb14183d6a85e3fef0ddd8fa69843566f6da1ace1758ebffa61b39da
Markdown6d135410a946318475b31dc55381ba5f5892e8e5055b3a18a7eae76a86c7907d
PDF
Publication pageb27f26e364308cb82956908e66c63f4780448bdac73d3b750bbdc5989b76cf15
Manifest301ebac98bb341d4f492e56892e9c74cb51cd05198a95e5c9d72240ac53627c0

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
Signatureh7+rG+37XxEm9TnMbXiqYx7gZthq9xO4Kz1Rlj/6dHYfTyR5Yx+w9n4gY33Ll8A0MBOYlv94abcGzuphYL6FBg==
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

2026-09-17T09:57:20.616366ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083713
observed b27f26e364308cb82956908e66c63f47...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:20.600673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083713/manifest.json
observed 301ebac98bb341d4f492e56892e9c74c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:20.583077ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083713/publication.md
observed 6d135410a946318475b31dc55381ba5f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:20.566087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083713/publication.txt
observed 2f973e07eb14183d6a85e3fef0ddd8fa...
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.