OpenTechnical

OT-2026-000087203

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, 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-2026-000087203) never changes.

Identity and time

Publication numberOT-2026-000087203 · never reused
Internal UUID01a0ae9a-9f2e-7f16-9fe6-8d1c559d3ad1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087203
StatusPUBLIC

Content hashes

Canonical text7abd9a581c8c8e5130cf3bd83412ac0a918cfbf3615a7a94c6ed652fe4cf3279
Markdowndb095fb7ea3f047ed856036be10f3d1a99dbee7f1b3296b2dc50ba19a9bd87cb
PDF
Publication page1cdad002aecf0b3ec2266eb11bfbac095dbc8abd847670fb1a9ac4924469df91
Manifest1642c2479f189f8f1ea2c2c79cc3f7db122a57daa4cf54be7be1e928f018d693

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
Signature1aATBpKeN0aZHGPlWg9JibaY2iSKssXaw6goijZY9JHidugRh6Y6M5p9Bu2WZhY7ymhOTPlsFyMsDywFyrPCAg==
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

2026-09-17T09:51:28.867298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087203
observed 1cdad002aecf0b3ec2266eb11bfbac09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:28.848992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087203/manifest.json
observed 1642c2479f189f8f1ea2c2c79cc3f7db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:28.831323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087203/publication.md
observed db095fb7ea3f047ed856036be10f3d1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:28.814900ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087203/publication.txt
observed 7abd9a581c8c8e5130cf3bd83412ac0a...
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.