OpenTechnical

OT-2026-000015600

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, 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-2026-000015600) never changes.

Identity and time

Publication numberOT-2026-000015600 · never reused
Internal UUID01a0ae6d-ef4c-7c14-810f-464543c8fdc4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015600
StatusPUBLIC

Content hashes

Canonical text661bcd08f07b00c39f343ef59b7eb9dc3c7383082506f5630dcd45f84a5e4ac5
Markdown41efad0bcbbd099a111396dbfd5339b60d7138fe1ee150f2f7f863e1cb696514
PDF
Publication pagec7355b50fa4ded53c86942524cecdc225db77857db51f7f8469bb9c40b9fa549
Manifest306b29eb580bc0e3787a6fb3f430b5a81e0b605ed1112b847869b544201d0acc

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
SignatureQvQVTg0mBgAJEMfeGy2lnXniVP8enPbzS7slopVU3Z9W+qM3EOTEYfanmOzCMJRQytpVjLLjZG9i8UcCgDHqAw==
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

2026-09-17T12:06:24.170665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015600
observed c7355b50fa4ded53c86942524cecdc22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:24.148081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015600/manifest.json
observed 306b29eb580bc0e3787a6fb3f430b5a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:24.126071ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015600/publication.md
observed 41efad0bcbbd099a111396dbfd5339b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:24.104637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015600/publication.txt
observed 661bcd08f07b00c39f343ef59b7eb9dc...
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.