OpenTechnical

OT-2026-000005798

Publication integrity record

Porous face vacuum gripper, three zone face, pump fed, sustained blow off 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-2026-000005798) never changes.

Identity and time

Publication numberOT-2026-000005798 · never reused
Internal UUID01a0a945-3a05-7e89-8d6c-9c6ae41fb2ad · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:11:21.480010Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005798
StatusPUBLIC

Content hashes

Canonical text5876a40d69052413853fae1d2217ecc7e108b4f47fd9f1c9f59809687416032d
Markdown520ed040dc109871cce2036415e29bd4e44693979c6fc9dcd67fbe35ab41c2c4
PDF
Publication page1cf9e202d4dbbbce29a65ab556637c90208d0b5ded65a43897be1736d83c0037
Manifest591ed2821106317615bef74da4ac66282924f867c7e3286b9890afa124e169d3

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
SignaturesjzusS9RW2zVWrXGt7l08aIcscyWCgeUhPKEVGG+0kB5OX5H/z+g4+a32VM99+Ohfq49viVC05YlZMsqwV/2Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:42:13.159929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005798
observed 1cf9e202d4dbbbce29a65ab556637c90...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:42:12.911915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005798/manifest.json
observed 591ed2821106317615bef74da4ac6628...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:42:12.439385ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005798/publication.md
observed 520ed040dc109871cce2036415e29bd4...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:42:11.742461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005798/publication.txt
observed 5876a40d69052413853fae1d2217ecc7...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-16T08:20:31.722542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005798
observed 1cf9e202d4dbbbce29a65ab556637c90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:31.710337ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005798/manifest.json
observed 591ed2821106317615bef74da4ac6628...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:31.696673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005798/publication.md
observed 520ed040dc109871cce2036415e29bd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:20:31.682500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005798/publication.txt
observed 5876a40d69052413853fae1d2217ecc7...
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.