OpenTechnical

OT-2026-000067885

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000067885) never changes.

Identity and time

Publication numberOT-2026-000067885 · never reused
Internal UUID01a0ae8f-c4fc-7c28-83d7-527dbee08aa4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067885
StatusPUBLIC

Content hashes

Canonical text62a8390e65fd42f5dbe8f7a996e9091453e5dc146dedd80668d7e23915e01803
Markdown66168ac38a3fdfaf115d6c36c92b5e5975f141f9f76e64cf81559386b1c03b6f
PDF
Publication page7fd5863e6f6d632bad966d17144e84bea16dc839ab2aa62c5060a18d7be2eb84
Manifest875a21ef5467994445b875c7c9d773749c4d61d6e56a871576da4360abc32f7b

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
Signature0Sw8BIJrDPDca4oznsgMCDS0KN9Qukyy6Md6iv7AtMY5kiC1T8W65tmL4alD7nma8OsxhYEewCK+nhzNtF5bAg==
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

2026-09-17T10:30:16.823311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067885
observed 7fd5863e6f6d632bad966d17144e84be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:16.804017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067885/manifest.json
observed 875a21ef5467994445b875c7c9d77374...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:16.784434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067885/publication.md
observed 66168ac38a3fdfaf115d6c36c92b5e59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:16.764229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067885/publication.txt
observed 62a8390e65fd42f5dbe8f7a996e90914...
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.