OpenTechnical

OT-2026-000088905

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000088905) never changes.

Identity and time

Publication numberOT-2026-000088905 · never reused
Internal UUID01a0ae9b-8f11-7ba2-95a6-3d5d83316a07 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:45.441378Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088905
StatusPUBLIC

Content hashes

Canonical text8f078bea899495daa427cb593a823c0a7d6583b8f3744d63f2a1da124cb4e58d
Markdown4cfa7672fa3d4c357ef149b9c57eba8563c3306c7e93dea2f1f9a3299554166e
PDF
Publication page7f021ac5751f7693e0959d931dd67db36ccefe7d46939b5e0771408273ec404c
Manifest81461828ea7663235d0dd11566a558b0d5aee751f5114427fd737f64ad798c32

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
SignatureYKbcYtTmXU5fe9DGpWJC8wYck5mvpzSFRsSt2mUEPr2zUCBV8840Wd762dHPS5jsX95C+rt9E8bRxaCGEnynBA==
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

2026-09-17T09:48:18.548779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088905
observed 7f021ac5751f7693e0959d931dd67db3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:18.530815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088905/manifest.json
observed 81461828ea7663235d0dd11566a558b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:18.511135ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088905/publication.md
observed 4cfa7672fa3d4c357ef149b9c57eba85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:18.493788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088905/publication.txt
observed 8f078bea899495daa427cb593a823c0a...
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.