OpenTechnical

OT-2026-000086289

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, single stage ejector, sustained 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-2026-000086289) never changes.

Identity and time

Publication numberOT-2026-000086289 · never reused
Internal UUID01a0ae9a-2c95-7b4c-9e7b-b1465a89b1e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:14.823225Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000086289
StatusPUBLIC

Content hashes

Canonical textf1274a29172f5a95d4075e836cc18eec0302de0b76e3e79e4d1549d8f4ad11a3
Markdown0f4854d3e381b813ef679c083ea3a0d7135aed82e3760f6126b070fec359c64a
PDF
Publication page739e7bc12f5d39aaa8a8223fca95cc0cac53da4b7fe22c39b8efce3184aeba99
Manifest2ce9d5f64617bffa85654a977bc0c1ee200a559f35b753ac1e8b8a8f7c88a8bc

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
Signature4fHeBC84GWcJh3VcvnnjMKEsLZWx4/Kt9IgjFYYut+bvfYytjUoOgSOb7n5OOwfytgP++hrZTgQNvKCrg+fKAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:51:57.908990ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086289
observed 739e7bc12f5d39aaa8a8223fca95cc0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:57.889562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086289/manifest.json
observed 2ce9d5f64617bffa85654a977bc0c1ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:57.870044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086289/publication.md
observed 0f4854d3e381b813ef679c083ea3a0d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:57.850100ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000086289/publication.txt
observed f1274a29172f5a95d4075e836cc18eec...
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.