OpenTechnical

OT-2026-000087294

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, pump fed, 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-2026-000087294) never changes.

Identity and time

Publication numberOT-2026-000087294 · never reused
Internal UUID01a0ae9a-cd4e-7eda-a07a-4502177aaaea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087294
StatusPUBLIC

Content hashes

Canonical text83d69b1a457485600f9255063f89d96529c3c3ae9906e2c93b2ce13bed6d9ad5
Markdown409a82036468a579d0e00486e00d73cb61b01ebd2e40ce5ea8509b45ad2e738d
PDF
Publication page90cb63329f2896b995ea7ca28551872a10a7ed9c89aa4820b3b2a1e2f354ace4
Manifestba1c51981c68f5329e572aa3c341c937090f1248ddfbe749213d11748f84fb66

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
Signaturea+F35x2KhI4V9rVNITI6WUyCpMjI30FaekYaBshI2EzAXeVXljrI2l//Qm2zQtMgqYRRiyr2k29hHuDxTDDUBQ==
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

2026-09-17T09:50:26.985845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087294
observed 90cb63329f2896b995ea7ca28551872a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.984967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087294
observed 90cb63329f2896b995ea7ca28551872a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.968838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087294/manifest.json
observed ba1c51981c68f5329e572aa3c341c937...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.965877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087294/manifest.json
observed ba1c51981c68f5329e572aa3c341c937...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.952184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087294/publication.md
observed 409a82036468a579d0e00486e00d73cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.948269ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087294/publication.md
observed 409a82036468a579d0e00486e00d73cb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.934562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087294/publication.txt
observed 83d69b1a457485600f9255063f89d965...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:26.928230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087294/publication.txt
observed 83d69b1a457485600f9255063f89d965...
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.