OpenTechnical

OT-2026-000039315

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000039315) never changes.

Identity and time

Publication numberOT-2026-000039315 · never reused
Internal UUID01a0ae78-9674-73d6-84ca-ca0a96401fc8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039315
StatusPUBLIC

Content hashes

Canonical texte854503f61a22c949c13875f7c33505d5165adfdb92a648c3d8a15a5215d8600
Markdown1471ecd99ba85f4d7e17147ed4e22b24b6369be1096223b3cea7e841369079a9
PDF
Publication pagee7bddfe188d8bb0927ec246ad7eb6cd13ebbcd885b76571d42be95d0488b21ac
Manifest1c3157e726f0f3b5a42b653e7210ca5dd18d2481d0479c5dbe8a9994fc37d062

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
SignatureUXLDRgprNCt8ppm5DqbXohqzXNW+TLhKGNb9ax7mRTQwf2h7UhtmJiCxBJNJy9H0VQUhK1PGgjDUq1rS7zpiDg==
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

2026-09-17T11:20:54.496133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039315
observed e7bddfe188d8bb0927ec246ad7eb6cd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:54.480392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039315/manifest.json
observed 1c3157e726f0f3b5a42b653e7210ca5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:54.463732ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039315/publication.md
observed 1471ecd99ba85f4d7e17147ed4e22b24...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:54.448448ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039315/publication.txt
observed e854503f61a22c949c13875f7c33505d...
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.