OpenTechnical

OT-2026-000057043

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000057043) never changes.

Identity and time

Publication numberOT-2026-000057043 · never reused
Internal UUID01a0ae87-d5b6-775a-9d20-2046366ed063 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:12.973410Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057043
StatusPUBLIC

Content hashes

Canonical text5833b98633b0df9850e7381417a407cb3c56569ef5ec6257515b842ff2fcd679
Markdown1a42cbd363ba58e3dc5b3286e45b7a0911fa40db6a72c261904a1476ca82be22
PDF
Publication page71872fd22c91526a4cef3a38c6b3d070418222c8b39590ca2e8e3a0beeae4a9a
Manifest0150d71892a7981727b351fa2489b960991b6a2d667ee0fe6375dc023dc04671

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
SignatureT93Ly/YDxEcUVghWzHV3knMNOdIVlpBUjV3a9kKLw3TSIVH+aGCoJVTz47xK8dAewdRJX8tmUFQez8NCYhUHAA==
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

2026-09-17T10:48:31.610312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057043
observed 71872fd22c91526a4cef3a38c6b3d070...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:31.592543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057043/manifest.json
observed 0150d71892a7981727b351fa2489b960...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:31.574090ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057043/publication.md
observed 1a42cbd363ba58e3dc5b3286e45b7a09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:48:31.557419ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057043/publication.txt
observed 5833b98633b0df9850e7381417a407cb...
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.