OpenTechnical

OT-2026-000095889

Publication integrity record

Foam pad vacuum gripper, three zone face, common isolation valve, pump fed, pressure sensor per zone, 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-2026-000095889) never changes.

Identity and time

Publication numberOT-2026-000095889 · never reused
Internal UUID01a0ae9f-fac7-7042-b0f8-7945e8a0c307 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095889
StatusPUBLIC

Content hashes

Canonical text3dba2e552d3031e42f57102bb07cf14c1c726da2437412053e1d15814bcb580a
Markdown0ab2d77994b0f9fa0687b5a646235c7119ea68bbb8ffa4f89ae4f0f9cc8169fa
PDF
Publication page5099bb00e2e1682a9f755445139e1e04b9f47444541a0db93d20dae91de4f572
Manifestb4544bdbbbab7e54c2fdc3f971a41300f939eb43a105d05292987003ba5b7fb2

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
Signature5FelRwpwAnXfsG0bX95ylOSE8x3v5yDu9KEHLAgro7Er4qMeMOZxg6TKrpUODY0igaXYgRgiVvQ0AGEc5+YQAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:35:58.897054ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095889
observed 5099bb00e2e1682a9f755445139e1e04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:58.880247ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095889/manifest.json
observed b4544bdbbbab7e54c2fdc3f971a41300...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:58.860854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095889/publication.md
observed 0ab2d77994b0f9fa0687b5a646235c71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:58.841814ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095889/publication.txt
observed 3dba2e552d3031e42f57102bb07cf14c...
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.