OpenTechnical

OT-2026-000049854

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, three stage ejector, manifold pressure sensor, sustained blow-off after set-down

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-2026-000049854) never changes.

Identity and time

Publication numberOT-2026-000049854 · never reused
Internal UUID01a0ae81-fd75-74f4-8435-1dcfb0c808d3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049854
StatusPUBLIC

Content hashes

Canonical text773a12dfd204015e0bf4b3eeccbf18b25eca13c48b81c32e3036d0a8b68e2b4b
Markdown1e3611d801957a014336c70903a27ef8cf77333cc8b1ad8c114599b17701a32a
PDF
Publication page3f0f08a1e66da4bbda2f604be4380c331d230a1012f69759e0e18b3365f53b41
Manifest687bd2d6c126f1d88ece2828f2b38141ae7d4b7cc76cd3a6ca57ab808ec6f19a

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
SignatureHjWiDuySh+44Ga+8vsRlN79wNIpWmfzrbt4VA7x/NfKjjc0GVpoNBAAzPWU5tylVNK0DHoNs7fQyEp+QQMinBQ==
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

2026-09-17T11:01:45.335262ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049854
observed 3f0f08a1e66da4bbda2f604be4380c33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:45.316531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049854/manifest.json
observed 687bd2d6c126f1d88ece2828f2b38141...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:45.297438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049854/publication.md
observed 1e3611d801957a014336c70903a27ef8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:45.276183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049854/publication.txt
observed 773a12dfd204015e0bf4b3eeccbf18b2...
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.