OpenTechnical

OT-2026-000049838

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, two 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-2026-000049838) never changes.

Identity and time

Publication numberOT-2026-000049838 · never reused
Internal UUID01a0ae81-8ff0-74b3-b32c-7d1d65c0bd90 · 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-2026-000049838
StatusPUBLIC

Content hashes

Canonical text32ddedf0d7191931bc32e4817715e9f3c3bbc653d8e51d742364d68dedbb23f3
Markdownbaf6ed70ed25db10ac19a625a4ebd1d6b0e0120a50f3b9ca289c9b0fb841391f
PDF
Publication page2ea29214c9f27061c9aa371b3aefbe75573e549bd4ff7a85ab00e3a6aa1fbbbc
Manifest0ef1f3949d1512785da8035b2316b29070f4b7c10da8447195045808c0f46d88

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
Signature1HVC8PN1z15yczw0U5xvVAI5K6WDs1u4nbAsASD4ONjjJAa4xIVa0jVmzAGpn3CrBXluMkyFBryuzS66xleYCQ==
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

2026-09-17T11:02:58.597823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049838
observed 2ea29214c9f27061c9aa371b3aefbe75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:58.578204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049838/manifest.json
observed 0ef1f3949d1512785da8035b2316b290...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:58.558691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049838/publication.md
observed baf6ed70ed25db10ac19a625a4ebd1d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:58.537247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049838/publication.txt
observed 32ddedf0d7191931bc32e4817715e9f3...
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.