OpenTechnical

OT-2026-000005346

Publication integrity record

Porous face vacuum gripper, six outlet manifold, plant vacuum fed, pressure verified

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-2026-000005346) never changes.

Identity and time

Publication numberOT-2026-000005346 · never reused
Internal UUID01a0a936-284e-7fbe-b37b-77a8fd971814 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:54:53.905357Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005346
StatusPUBLIC

Content hashes

Canonical textc364cbb9cae8f16d2b05f132f79017d0e46c361e1833dfc317066552d5e42928
Markdowne16d9ec8e2c8fb03a1e63ad0a2414e3d3434a643cc451c96270325a1af740730
PDF
Publication page96a617dbd35094ce8c84cb53c00ac76377982b387ecca4d1cd014e18ac9733c3
Manifest9a3d146781f216b54d8f3f07f08a71f8cfb876af77f60040fe80155e725627f9

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
SignaturevJGEXPZoG/ltwyXo8xHPaEgjqjiBvinnzs6s8XFkx3EKy26IFvNOR87Tb3GtQA1M6zxPjAm5Q3yNpVlHBiPaDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:00:20.131842ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005346
observed 96a617dbd35094ce8c84cb53c00ac763...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:19.989413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005346/manifest.json
observed 9a3d146781f216b54d8f3f07f08a71f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:19.974925ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005346/publication.md
observed e16d9ec8e2c8fb03a1e63ad0a2414e3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:00:19.959164ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005346/publication.txt
observed c364cbb9cae8f16d2b05f132f79017d0...
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.