OpenTechnical

OT-2026-000049376

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed 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-2026-000049376) never changes.

Identity and time

Publication numberOT-2026-000049376 · never reused
Internal UUID01a0ae81-8f7b-7d17-af34-38af346822ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049376
StatusPUBLIC

Content hashes

Canonical texta3430ed10b2131a124c7ee63008d6e1bb56701f508324770cd8cd5b1a66c2663
Markdown21a3229a6acaedab91e74303ff92e70be4eeb10b79d93121a42de92c1762c788
PDF
Publication page56f99c61c45b7b39ad351c9357a80ef66a030f2885f136d82d87281b86fac24a
Manifeste5da77ee03ae00a3b2781dc9c95713f014126b8c129957c857f640ece10a7204

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
Signaturesqcz7gS34lGI0sjHatL7CG+OlP2qmEMAuKiWT8WE7pN4A7kAQUBJNCJT3C7iBgp4ucMTgX2hJVpJ8FX1W/RHAQ==
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

2026-09-17T11:02:10.799198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049376
observed 56f99c61c45b7b39ad351c9357a80ef6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:10.783110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049376/manifest.json
observed e5da77ee03ae00a3b2781dc9c95713f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:10.763451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049376/publication.md
observed 21a3229a6acaedab91e74303ff92e70b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:10.744522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049376/publication.txt
observed a3430ed10b2131a124c7ee63008d6e1b...
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.