OpenTechnical

OT-2026-000067504

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained 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-2026-000067504) never changes.

Identity and time

Publication numberOT-2026-000067504 · never reused
Internal UUID01a0ae8f-6bd9-7bd5-8739-0b8adcdaa90c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067504
StatusPUBLIC

Content hashes

Canonical textcd81195a753f1d626cd7267424536dc6a32fe5794a709c8af7f189730759bc0b
Markdown239d6055ffcbea82a1d68da1742e2f72af88da211ce2cf2289de1d40b84c418a
PDF
Publication page9fe149801ef9bd2dcca19ff4dc58ec15776f81623c3aee6366042ad0487293c9
Manifest73f167dba285242fab268bf7b12d192aaecbb8b4fb5a414d81c2a4fbd83f1aba

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
Signature0149Acz/IqRq1BnXz8dBVLqTPVHTKuj9ZfBMnD82ghgdXpYAa/WBWYZQwhl7KGHms68JZ0A51qlbriV35ZepBg==
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

2026-09-17T10:31:48.014881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067504
observed 9fe149801ef9bd2dcca19ff4dc58ec15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:47.997698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067504/manifest.json
observed 73f167dba285242fab268bf7b12d192a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:47.980045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067504/publication.md
observed 239d6055ffcbea82a1d68da1742e2f72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:31:47.963194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067504/publication.txt
observed cd81195a753f1d626cd7267424536dc6...
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.