OpenTechnical

OT-2026-000051835

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, three stage ejector, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000051835) never changes.

Identity and time

Publication numberOT-2026-000051835 · never reused
Internal UUID01a0ae83-7c84-7b24-ad60-ece83a569da4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:27.829082Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000051835
StatusPUBLIC

Content hashes

Canonical text3f427ed8b127f613748fdefb8599e7333c69f68ce09efbaa3d4f19c464ed9721
Markdown874109dc063d0bd47b6ec7ee644ab2370a9b244461fbe91a046c18f944127ba3
PDF
Publication page1e79dd7a1e804473dfc0cc20af403b22199759597942cd90b27127996c77306a
Manifestc5787d8b99c88f78aa5ebafd4ba3bf679e395ffc65e3d49b93486698afcf056a

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
Signaturei6TWtcl82WVznG5qqh8EUvXeKiXQdQzmQV0IOAcImKd5LnkMZzwNq0C3tBX0+pqyNAMXCVwSsSG5lLwy1pitAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T16:43:30.433843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051835
observed 1e79dd7a1e804473dfc0cc20af403b22...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:43:30.285552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051835/manifest.json
observed c5787d8b99c88f78aa5ebafd4ba3bf67...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:43:30.075961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051835/publication.md
observed 874109dc063d0bd47b6ec7ee644ab237...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T16:43:29.857589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051835/publication.txt
observed 3f427ed8b127f613748fdefb8599e733...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T10:58:45.668021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051835
observed 1e79dd7a1e804473dfc0cc20af403b22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:45.649911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051835/manifest.json
observed c5787d8b99c88f78aa5ebafd4ba3bf67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:45.630427ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051835/publication.md
observed 874109dc063d0bd47b6ec7ee644ab237...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:58:45.611256ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051835/publication.txt
observed 3f427ed8b127f613748fdefb8599e733...
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.