OpenTechnical

OT-2026-000032438

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, three stage ejector, pulsed blow-off after 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-2026-000032438) never changes.

Identity and time

Publication numberOT-2026-000032438 · never reused
Internal UUID01a0ae75-106e-7c34-be14-bcb452047c77 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:42.658092Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032438
StatusPUBLIC

Content hashes

Canonical text2081d9493fdb7349ba34d548b3aeab2eb3cc705fc24456f05ccaeb7d8ab8ad32
Markdownc33a6553749aaba943c4078da1c33a026636a0a1a3e342466f07a5873ed36d54
PDF
Publication page3bca9d021b0867ccfc6ec11eefea7ba314cc808a9dd5c0ba59dd3815bcebbd2e
Manifest3c4527f0b2f82a01ef2d5ceefb6e5fd40ae38a2a2e1a301490b50c4a92586126

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
SignatureeDN4OBu708Mej4Arz2wLBDAfNTGxp70s0cLqAI5k/iJmoThjwlp2h+junKmBRkql/PVReoWJ/Sfa4P0h0tOiCg==
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

2026-09-17T11:33:51.758235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032438
observed 3bca9d021b0867ccfc6ec11eefea7ba3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:51.743115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032438/manifest.json
observed 3c4527f0b2f82a01ef2d5ceefb6e5fd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:51.728217ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032438/publication.md
observed c33a6553749aaba943c4078da1c33a02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:33:51.710069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032438/publication.txt
observed 2081d9493fdb7349ba34d548b3aeab2e...
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.