OpenTechnical

OT-2026-000087300

Publication integrity record

Foam pad 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-2026-000087300) never changes.

Identity and time

Publication numberOT-2026-000087300 · never reused
Internal UUID01a0ae9a-cd4e-7cb6-8247-5be6274c5ddf · 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-2026-000087300
StatusPUBLIC

Content hashes

Canonical text79026c62061eb49fd6697eb14b13223334f4a41c9c25927c88579c2e646206a4
Markdown869139f1decfabf3827753824b8715e15f76eaa48909f227f190ea6b71b2a4d3
PDF
Publication page6a24a3c456e3ba30c57f5f2dbb7cc2f3600c49f0c505cd525d23a0907efc71a5
Manifest00f006aa121863a3d40f48750de44524033d6209ae8982ef20dae785ea60b5d6

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
SignatureNGyH+R6AOdb5NVJTMngDBsIDs5bGdqdZGxlOhVdeSYeTBAMPlw+BlfujyOwFyXMibDbUqR/a14ZYkYq6oje1Aw==
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

2026-09-17T09:50:27.446811ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087300
observed 6a24a3c456e3ba30c57f5f2dbb7cc2f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.444083ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087300
observed 6a24a3c456e3ba30c57f5f2dbb7cc2f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.427866ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087300/manifest.json
observed 00f006aa121863a3d40f48750de44524...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.424948ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087300/manifest.json
observed 00f006aa121863a3d40f48750de44524...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.410648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087300/publication.md
observed 869139f1decfabf3827753824b8715e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.403930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087300/publication.md
observed 869139f1decfabf3827753824b8715e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.391110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087300/publication.txt
observed 79026c62061eb49fd6697eb14b132233...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:27.383699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087300/publication.txt
observed 79026c62061eb49fd6697eb14b132233...
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.