OpenTechnical

OT-2026-000014269

Publication integrity record

Three cup vacuum gripper, three outlet manifold, single 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-2026-000014269) never changes.

Identity and time

Publication numberOT-2026-000014269 · never reused
Internal UUID01a0ae6d-b279-74ff-8b63-a8dc0f82128e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014269
StatusPUBLIC

Content hashes

Canonical text4d3b54d96d0396987708ec438a5aae252c53cf15bbe36f999eb061c10183ef56
Markdownb5bca518b64183c80e86020d2a781cdcb2851f7987f4bd6e39f89a977aa3b0ff
PDF
Publication page148cdd7779c77b67d3f91439532c743f687bb893ff2f48d3569475a5a68c5b50
Manifest8d8bcd073cc61d2158591caf145a228eddd9cc3c55618289d8885a63b9c348a6

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
Signature5iDTWUOENbYVvWooeVh5e2mS01uj3zl3hZ5jPml/euS1E/4Q95X12PUkavADwYC7DbKrJVFgOrN79v2WYsR3Ag==
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

2026-09-17T12:07:28.770714ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014269
observed 148cdd7779c77b67d3f91439532c743f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:28.748666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014269/manifest.json
observed 8d8bcd073cc61d2158591caf145a228e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:28.729464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014269/publication.md
observed b5bca518b64183c80e86020d2a781cdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:28.709030ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014269/publication.txt
observed 4d3b54d96d0396987708ec438a5aae25...
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.