OpenTechnical

OT-2026-000016301

Publication integrity record

Three cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before 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-2026-000016301) never changes.

Identity and time

Publication numberOT-2026-000016301 · never reused
Internal UUID01a0ae6e-2d12-7f6c-af36-34d95d52b232 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016301
StatusPUBLIC

Content hashes

Canonical text71c4a650dd7cffa1fc4a4a896320ef4fd373fd817df205fdfe17b59f0c7865d2
Markdown7296927f5414d5ccf74c034010eb3c20ad30ed5329a01368cfedfb4f7953f86f
PDF
Publication page6571faa773cc030207ac93329800e7bdc8e2f10a802500145790cdfb2a73d846
Manifest6bf198cf9f302a03bcdf2743cf95dc1fdb15189911da66facc636afd82ae3eb5

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
SignatureEOhp/q5Rx4NY2UCk3G/CS3ofwCRB3IEBl/UH1a8p4T9lwL93I73zoAQiaifxsG3ruEmr1/QZFdmZAtOWis0+BA==
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

2026-09-17T12:03:47.641435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016301
observed 6571faa773cc030207ac93329800e7bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:47.620570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016301/manifest.json
observed 6bf198cf9f302a03bcdf2743cf95dc1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:47.600060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016301/publication.md
observed 7296927f5414d5ccf74c034010eb3c20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:47.553521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016301/publication.txt
observed 71c4a650dd7cffa1fc4a4a896320ef4f...
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.