OpenTechnical

OT-2026-000026635

Publication integrity record

Foam pad vacuum gripper, two zone face, single stage ejector, 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-2026-000026635) never changes.

Identity and time

Publication numberOT-2026-000026635 · never reused
Internal UUID01a0ae71-f4aa-782e-a6c1-ea6929145adf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:18.960773Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026635
StatusPUBLIC

Content hashes

Canonical textb1c4107600f018eb23f7fcdf5bf12a07c10cb993bdadc5778ad3c2b9102369aa
Markdowne2f7666d0a6b7fc0ddf899cb6e63067ca49d830bf1253070e8f39a0b6903d104
PDF
Publication page6f263e2f807fbcc2e90dc2110306456bac8ecefbc5f6aeb4d9787751b091b59a
Manifestde83db973c3d63fc2e97d9d3721aa865a54653acfd3c91931c934b4705e2c803

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
SignatureUUsmRCnUXTpGQFfRWg++kLKF6z38wqxv+QYn67hdUUS/a8ntKC6ZfOoRcKzZyd+6wr1E4o7t3nC9Pc3s3LkwDA==
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

2026-09-17T11:45:42.726461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026635
observed 6f263e2f807fbcc2e90dc2110306456b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:42.709739ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026635/manifest.json
observed de83db973c3d63fc2e97d9d3721aa865...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:42.693205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026635/publication.md
observed e2f7666d0a6b7fc0ddf899cb6e63067c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:42.676736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026635/publication.txt
observed b1c4107600f018eb23f7fcdf5bf12a07...
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.