OpenTechnical

OT-2026-000013013

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000013013) never changes.

Identity and time

Publication numberOT-2026-000013013 · never reused
Internal UUID01a0ae6d-5564-7309-94c8-be2cce6e3992 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013013
StatusPUBLIC

Content hashes

Canonical text93cf5883c997a2bc599cb495b501bb70e78263cea2d64d0025a7bf466635881b
Markdown3e925fe69e9f66d070f776a1f72bf53c8e979451f72749b892e5849a5183e7a8
PDF
Publication page82c0ad4e7dceb1e09be88ff8ecf8de96515f237fc2b2576b70856e3d990fc267
Manifestf5a93fd041c14cebd59ecc68a9b3c400304e9a62db5193f53992078f4baf77b3

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
SignatureP3J0ItoUU5qkJO5lDSsBmldBytOhePhVyaxhm8lAuvTRVpzVaNXgSOb4cw1S6gKDgmgCu48ZXEhdCX6F6hZmCg==
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

2026-09-17T12:10:50.208496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013013
observed 82c0ad4e7dceb1e09be88ff8ecf8de96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:50.188014ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013013/manifest.json
observed f5a93fd041c14cebd59ecc68a9b3c400...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:50.169716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013013/publication.md
observed 3e925fe69e9f66d070f776a1f72bf53c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:50.150827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013013/publication.txt
observed 93cf5883c997a2bc599cb495b501bb70...
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.