OpenTechnical

OT-2026-000009309

Publication integrity record

Foam pad vacuum gripper, three zone face, single stage ejector, supply line pressure sensor, vented after 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-2026-000009309) never changes.

Identity and time

Publication numberOT-2026-000009309 · never reused
Internal UUID01a0ae6b-31ba-74a9-acca-685297325cdf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009309
StatusPUBLIC

Content hashes

Canonical text7004b9d2fef8007fc81d7f1606dfbb55f8f9f980d260ec8e073a6df5224a5c12
Markdownb7ec92e8dc12e9d33b2c51b918dc2c0a8b9f8d647db7d48cf95addc1e68521fc
PDF
Publication page922312295a1528a3aac24eb0963208c72e4f52bfc102b1e8e053592ad7060c8a
Manifestcf41baa28f60790925aa391f0ca3e418b998b6549a5102ae1ea7ae2babba87d9

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
Signaturep1Qh+I9LfKk8patPXcBHBZC+NX+W3hyVsgBaIUUcszKjmNrkjqTzVjDwTmN5nl7hCfrYI7UsthX2nDb8O7RVBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:05.110824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009309
observed 922312295a1528a3aac24eb0963208c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:05.091240ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009309/manifest.json
observed cf41baa28f60790925aa391f0ca3e418...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:05.071074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009309/publication.md
observed b7ec92e8dc12e9d33b2c51b918dc2c0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:05.053193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009309/publication.txt
observed 7004b9d2fef8007fc81d7f1606dfbb55...
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.