OpenTechnical

OT-2026-000011643

Publication integrity record

Two bellows cup vacuum gripper, two zone face, single stage ejector, 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-2026-000011643) never changes.

Identity and time

Publication numberOT-2026-000011643 · never reused
Internal UUID01a0ae6d-1940-7664-aa4f-515866a9c253 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011643
StatusPUBLIC

Content hashes

Canonical textc3b276df6ad2afb12bc7b70a3fe594f5ea9652cd135a8373d65458bc064a3ec4
Markdown23fdb076a010fc34a580c54999aece7c29e50466bf7d6bdbc29d19cd6ebef00b
PDF
Publication pageb2e854d47c64c43dab59cb3dd124f763818ef020c049d35479c498ee6fcb229a
Manifestad299f37a719f52b34efb08ef0a8b039faa85a28d28ac70a9e80231ff42d2cbe

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
SignatureEHT3ZzjkVVXSJGV+uFFdsec7FlD/86X19MYC3lFkXV/4oOgWq1RI0K9iYG7U/0ZwHziZWhIKk3eiBhM3/v1TDQ==
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

2026-09-17T12:12:13.706708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011643
observed b2e854d47c64c43dab59cb3dd124f763...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:13.686763ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011643/manifest.json
observed ad299f37a719f52b34efb08ef0a8b039...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:13.666043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011643/publication.md
observed 23fdb076a010fc34a580c54999aece7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:13.643894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011643/publication.txt
observed c3b276df6ad2afb12bc7b70a3fe594f5...
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.