OpenTechnical

OT-2026-000016253

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000016253) never changes.

Identity and time

Publication numberOT-2026-000016253 · never reused
Internal UUID01a0ae6e-2d11-74e2-8d93-49433e3377da · 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-2026-000016253
StatusPUBLIC

Content hashes

Canonical text90bb893b9f7fbebf96e57235fef40672047a0fea5666ff18cf9d8266bd9789ab
Markdown5bfecf116bbc2afa8aafe058de2af4e8e3a340ca85b42c726f0c50a14330e603
PDF
Publication page1a7bc3064fdc1eb86f4fb4e6b9409a1ad44f7e43d7e93bcda6d194365cdbf0cf
Manifest749a9226bac6dec2c144ba6dd182f10ae8945a984a5a312df4112d5fd3e95a56

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
SignatureVLp82W0HxxLU8ZKlpC7b/PwtHYjkCHdxiYdJ2y7uT4Z4JKTkkyoJhdKE+gNALfUuE16Bfxbn4QXWoKCNYxuLDg==
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

2026-09-17T12:03:43.628826ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016253
observed 1a7bc3064fdc1eb86f4fb4e6b9409a1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:43.610507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016253/manifest.json
observed 749a9226bac6dec2c144ba6dd182f10a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:43.592113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016253/publication.md
observed 5bfecf116bbc2afa8aafe058de2af4e8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:43.572803ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016253/publication.txt
observed 90bb893b9f7fbebf96e57235fef40672...
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.