OpenTechnical

OT-2026-000016257

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000016257) never changes.

Identity and time

Publication numberOT-2026-000016257 · never reused
Internal UUID01a0ae6e-2d11-77c7-b8c8-c43a0ec6db36 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016257
StatusPUBLIC

Content hashes

Canonical text17309f0ecdd33b9a619fe44ff77ef514b38a91924029912cb128237a74997c3c
Markdowndd9e820c71500bea1922d3498933b1ce2622b68c0297180f7a61d34e2bf7a6ad
PDF
Publication pagea0ab0698e85ccb2a45dee8659c0fb1a66b33fc5056127e6d257ad76ab3e66c60
Manifest5cf4b1754a0fff8241110d9fc7826dd7abd4b220197dc3bc8f2917b6e064e46c

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
Signaturex2fvKVNatu4gKnSma1Py0rNb25qBRyXv/5YJn0/9MPWt0UUUM84Iw9aHAQWAWInh9xpRR9tH9V6OCgxtbKUoAw==
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

2026-09-17T12:03:43.856597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016257
observed a0ab0698e85ccb2a45dee8659c0fb1a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:43.837590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016257/manifest.json
observed 5cf4b1754a0fff8241110d9fc7826dd7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:43.819876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016257/publication.md
observed dd9e820c71500bea1922d3498933b1ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:43.800956ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016257/publication.txt
observed 17309f0ecdd33b9a619fe44ff77ef514...
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.