OpenTechnical

OT-2026-000026518

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, manifold pressure sensor, 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-2026-000026518) never changes.

Identity and time

Publication numberOT-2026-000026518 · never reused
Internal UUID01a0ae71-f4a8-724e-a629-2353d9972bef · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026518
StatusPUBLIC

Content hashes

Canonical text0a03ed71c8bfe33105044552db5b2868e2e12e27a656a731ef477b46062ec624
Markdowne31494c73bbc62f799873517884fd5b2a3571174d765d98011f5968b6e1eaa56
PDF
Publication pageeeb09713d2f10427b779509844f58ca738dbbc56d499b9b69101027585fc8f7c
Manifest921daa97e6a774a46b2ae82345737cacc610b9b0624fff6726d6e7e57dcb0bba

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
SignaturedEuqn2lIgAlyLrNRhud4aZ0epNJLbg07GNxfRcJ/Bms7MhKmj1dByUPw6Lgo2sAkQJL1yGLVVSPXgLk/VVKJDA==
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

2026-09-17T11:44:38.722950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026518
observed eeb09713d2f10427b779509844f58ca7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:38.705884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026518/manifest.json
observed 921daa97e6a774a46b2ae82345737cac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:38.689598ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026518/publication.md
observed e31494c73bbc62f799873517884fd5b2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:44:38.671702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026518/publication.txt
observed 0a03ed71c8bfe33105044552db5b2868...
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.