OpenTechnical

OT-2026-000047023

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, 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-2026-000047023) never changes.

Identity and time

Publication numberOT-2026-000047023 · never reused
Internal UUID01a0ae7e-d0f7-723c-a39b-3d66348dc609 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047023
StatusPUBLIC

Content hashes

Canonical textd7ba605c006e9a2c71e26a53c9449b62b32d08bfa8f8ced8c63b5f9c288bb965
Markdown5432558db469af8fb26a27a6687f7a09739429f9621fe42da22c24f847068f29
PDF
Publication pagec3ae9000889ca65c4d675df6ca918a427e7a84036e2994eeec32ab0a8249ad7d
Manifest8fc3661471833bbf3b84e51032801bd965597b6fede70a5101aedf4512fe02fe

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
SignatureAD4flJcxMbAsINkpY0S33T0+cfrRi8w+n+D4hi0osG2XCxiv+vtDG5FOD6qbjHgOr7UOk9iQO8ypz4DU5xQKAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:10:18.319037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047023
observed c3ae9000889ca65c4d675df6ca918a42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:18.299109ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047023/manifest.json
observed 8fc3661471833bbf3b84e51032801bd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:18.280944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047023/publication.md
observed 5432558db469af8fb26a27a6687f7a09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:18.261204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047023/publication.txt
observed d7ba605c006e9a2c71e26a53c9449b62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:46.942356ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047023
observed c3ae9000889ca65c4d675df6ca918a42...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:46.925115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047023/manifest.json
observed 8fc3661471833bbf3b84e51032801bd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:46.905299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047023/publication.md
observed 5432558db469af8fb26a27a6687f7a09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:46.885236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047023/publication.txt
observed d7ba605c006e9a2c71e26a53c9449b62...
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.