OpenTechnical

OT-2026-000099641

Publication integrity record

Foam pad vacuum gripper, two zone face, single 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-2026-000099641) never changes.

Identity and time

Publication numberOT-2026-000099641 · never reused
Internal UUID01a0aea2-c976-75d4-889b-d52bb5f2fdc6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099641
StatusPUBLIC

Content hashes

Canonical text4c425b4d74d1d32b97e192645d42b7f9d5a2659b6cd1328cb160b01c4d17b06c
Markdowna21e447e34ae87b3f0347f6035ed60538112ea66f43bc0a0488a96ed3a7a1404
PDF
Publication pagebab3228480d7ce216605c45aa1fa60253925b7435c42e9d49a6807791ec0c9e3
Manifest9e65e4c7d6f0c3b7d80482263170e868801577c39160babe84b2c6dc8517ecb3

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
SignatureELNvyvgAgzdEyCdsSvkuBHrddyDa+YCR5EhKoDrizdbGTXI51BA6lVPu//yV50Pm8upKGoWoSTwqo9jXv00kCw==
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

2026-09-17T09:29:34.769927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099641
observed bab3228480d7ce216605c45aa1fa6025...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:34.751688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099641/manifest.json
observed 9e65e4c7d6f0c3b7d80482263170e868...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:34.732847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099641/publication.md
observed a21e447e34ae87b3f0347f6035ed6053...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:34.716295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099641/publication.txt
observed 4c425b4d74d1d32b97e192645d42b7f9...
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.