OpenTechnical

OT-2026-000100979

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000100979) never changes.

Identity and time

Publication numberOT-2026-000100979 · never reused
Internal UUID01a0aea3-c377-7f8a-8b76-688b9cf8f21a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:43.138721Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100979
StatusPUBLIC

Content hashes

Canonical textdfc034bfe5f58a9acc142a30fb0e27c04754a104d21931b2f18966c6b3aa7513
Markdownfc7e14638c7d1879879d80a6cd2c9889a0d3f3c0f85e7a90601dac4a86227af9
PDF
Publication pageee2826db323c13a630964bc825b855b488ce97f1bbfe4d8d18dc7d036e171c73
Manifest960c1952d7ec2c548e60607d44b8c8a4e8cd83cfb06db83bf1166e19a705f83d

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
Signature3EJeZjI7r1ntUFvQ0OE1aalXndiDlCFcD58hByHo1AsqBZTSIvLugOpIEKni/1767G2L3YrOYW6QPDA3vwUFDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:26:34.472194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100979
observed ee2826db323c13a630964bc825b855b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:34.449840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100979/manifest.json
observed 960c1952d7ec2c548e60607d44b8c8a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:34.431664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100979/publication.md
observed fc7e14638c7d1879879d80a6cd2c9889...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:26:34.413031ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100979/publication.txt
observed dfc034bfe5f58a9acc142a30fb0e27c0...
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.