OpenTechnical

OT-2026-000043291

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, pump fed, manifold 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-2026-000043291) never changes.

Identity and time

Publication numberOT-2026-000043291 · never reused
Internal UUID01a0ae7b-327d-7c39-934e-ca631b40fc9a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000043291
StatusPUBLIC

Content hashes

Canonical text7cce23c53e8651688f2153f706841ea6eb7e46f2e8ba30f2d6f53b02bdf5af9a
Markdowne611895a22d4d3d2f4bb87f3cc82c6b50ea87bab3aa7f6b56dbb23396cd794fb
PDF
Publication paged1f67e01fa11d312e4e119fc0976b259f3cf8a877b2d876532e56557f6ad35b7
Manifest51bf6794c33f70a20fb32e1a63688e2579e1afa7034e76a2f570a1fcb2e0a9a4

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
SignaturebhEzG7KrmfRpfGMhLa3Uuv/6OqUEcYtNdPM9/XD+KiG0vYYOCrKKrEQY+54W1ZuWT76wXyVI6zThoG4tGhceBw==
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

2026-09-17T11:13:47.138251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043291
observed d1f67e01fa11d312e4e119fc0976b259...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:47.120392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043291/manifest.json
observed 51bf6794c33f70a20fb32e1a63688e25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:47.100790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043291/publication.md
observed e611895a22d4d3d2f4bb87f3cc82c6b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:47.080352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000043291/publication.txt
observed 7cce23c53e8651688f2153f706841ea6...
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.