OpenTechnical

OT-2026-000068701

Publication integrity record

Foam pad vacuum gripper, two zone face, four outlet manifold, single stage ejector, pressure sensor per zone, pulsed 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-2026-000068701) never changes.

Identity and time

Publication numberOT-2026-000068701 · never reused
Internal UUID01a0ae90-2483-7694-a3f5-c0c4ee486860 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:17.262143Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068701
StatusPUBLIC

Content hashes

Canonical text52746b59e3b091e53a0264563de2540c27ec1ae0574c4b62b4bcb3d3ac7d3807
Markdown2b4abf5a01d49afec3b7f0ac8d997da22b6699d981e7b28f63cd5aeef9434c54
PDF
Publication pageb5aa0f76fd954bddf0890b854dc1172f69de0d7eb869cc621aabd32d147fa7d4
Manifestc27374daa3680433b5a608a2ecde82ec95f1b4fcd528107a9db489ec58cdae16

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
SignaturerjsQ8DaSZ3/3UWzm2owitEbgmc/ofMcnYvc6XBgJdH2/zNf5UeIW/E5WRZxHrGc5G1cPwOplUi2essssytxDAA==
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

2026-09-17T10:29:54.535895ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068701
observed b5aa0f76fd954bddf0890b854dc1172f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:54.518585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068701/manifest.json
observed c27374daa3680433b5a608a2ecde82ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:54.501363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068701/publication.md
observed 2b4abf5a01d49afec3b7f0ac8d997da2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:54.483708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068701/publication.txt
observed 52746b59e3b091e53a0264563de2540c...
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.