OpenTechnical

OT-2026-000019166

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, manifold pressure sensor, pulsed 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-2026-000019166) never changes.

Identity and time

Publication numberOT-2026-000019166 · never reused
Internal UUID01a0ae6e-f391-73b1-9da4-d9e299fbd137 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019166
StatusPUBLIC

Content hashes

Canonical text3492b565f7a171f8897f0734d1e23b4a7d022977912fe72b91909062812fb04f
Markdown5e43393d57667b20476fa01e273c98e5ff1cc312a7d06957b92a6215a1223f51
PDF
Publication page52cff0d83fc3ea43ae8b801d1027063aacf602f811007448c788245770a81364
Manifest5db55c1f2dfb54ab57fd5d62e827b2e4dff2c1f7917529e51b946ef146774a1e

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
SignatureLOMRLR373jOUitQmj6zj8G11O0gTXqaFwA6gXpbtdEbQhECa7ccyGii0p64pB6W0SjpkhM1FpukdCaQG2JNjCw==
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

2026-09-17T11:58:28.655944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019166
observed 52cff0d83fc3ea43ae8b801d1027063a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:28.637917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019166/manifest.json
observed 5db55c1f2dfb54ab57fd5d62e827b2e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:28.620806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019166/publication.md
observed 5e43393d57667b20476fa01e273c98e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:28.602213ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019166/publication.txt
observed 3492b565f7a171f8897f0734d1e23b4a...
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.