OpenTechnical

OT-2026-000043712

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, two stage ejector, pulsed blow-off after 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-2026-000043712) never changes.

Identity and time

Publication numberOT-2026-000043712 · never reused
Internal UUID01a0ae7b-92d1-7ba2-9fbb-2d2084f67a7a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:49.254972Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043712
StatusPUBLIC

Content hashes

Canonical text9bb0c58c1c4fe1ba26df34d4e60eebfb4b15a9d82633907a3e7b5b5bb3abf68b
Markdownfc6d581337fdd795c443e923adb62ef199268a3ed863099ce69ba0cc85e80029
PDF
Publication pagedb9c5a254b251f5af589460f2f52076cf9d8a817d636a8839124e110fbb9b4c6
Manifest2e01640d9a578c432909e0cf2cf7430eac749c14c162cbcb16f3c3b116eb5f83

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
SignatureG4OBEyUr6l17c5XQpuLowfKumqHwqgH15W85bwptk25n5Zn6xdluZLyBzy7lFG1bX0Jnm94FR8E+JPCSEN4GAg==
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

2026-09-17T11:13:12.675713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043712
observed db9c5a254b251f5af589460f2f52076c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:12.657742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043712/manifest.json
observed 2e01640d9a578c432909e0cf2cf7430e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:12.639062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043712/publication.md
observed fc6d581337fdd795c443e923adb62ef1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:12.621929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043712/publication.txt
observed 9bb0c58c1c4fe1ba26df34d4e60eebfb...
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.