OpenTechnical

OT-2026-000099975

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, two stage ejector, 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-2026-000099975) never changes.

Identity and time

Publication numberOT-2026-000099975 · never reused
Internal UUID01a0aea3-1474-7108-8d2d-735062104274 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:58.336218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099975
StatusPUBLIC

Content hashes

Canonical text14036c978fc6322f910b670a10d13d94abc1e0f039ce09f01fdbdd6c38443f51
Markdown0dbb0cd033975fe62e2d41e62992eb059658db2561ac179d935c5b08a51f4803
PDF
Publication page66e6009e4a57af6c633982b1e2909d2e8f894cd482a70c2c401758e593c1bc2b
Manifest9ea05a28bccfaec8b5eb6ccee266a796cdead5a0cdeec0034598cd11b799a631

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
SignatureeF7JdD/6gZ/onUtzHZ1cLWxjEMLItcdXisAeRptiUNma7wbGUjVDW2rF3Np2blF9PotR/bPMJ54/TjReIs7wDw==
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

2026-09-17T09:30:40.510608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099975
observed 66e6009e4a57af6c633982b1e2909d2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:40.491176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099975/manifest.json
observed 9ea05a28bccfaec8b5eb6ccee266a796...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:40.471890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099975/publication.md
observed 0dbb0cd033975fe62e2d41e62992eb05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:40.454027ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099975/publication.txt
observed 14036c978fc6322f910b670a10d13d94...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:53.861236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099975
observed 66e6009e4a57af6c633982b1e2909d2e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:53.843263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099975/manifest.json
observed 9ea05a28bccfaec8b5eb6ccee266a796...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:53.825799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099975/publication.md
observed 0dbb0cd033975fe62e2d41e62992eb05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:53.805680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099975/publication.txt
observed 14036c978fc6322f910b670a10d13d94...
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.