OpenTechnical

OT-2026-000014163

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two 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-2026-000014163) never changes.

Identity and time

Publication numberOT-2026-000014163 · never reused
Internal UUID01a0ae6d-b278-7aa7-a6a0-961c5848b3d0 · 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-2026-000014163
StatusPUBLIC

Content hashes

Canonical textd95873c8b6200f8f2fead463dfaa8de87b170c6900a40155f9cc03dcd2fa0c5b
Markdown59792e0b45b77f0843555bf99c662f1b2adee9178e46268dd54d58d9cac9a69d
PDF
Publication pageb72ab0dda2d5e0ccb424f7dcaa81b876095ab3be622a0f05e13d2a3e36b6a769
Manifest66fb2b7b1e4bcd3bdc22197b1358596949719b8b9baadc1fc649f640caca04a9

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
Signaturek9l6pr7sBbN1IxISDODctkekbRrov2RoZlvpcoxn2ELXaC+QNpR8twA+EFwyFYI/c77efHliTsxxKdQyrcY+DQ==
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

2026-09-17T12:07:15.027251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014163
observed b72ab0dda2d5e0ccb424f7dcaa81b876...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:15.005445ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014163/manifest.json
observed 66fb2b7b1e4bcd3bdc22197b13585969...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:14.985617ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014163/publication.md
observed 59792e0b45b77f0843555bf99c662f1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:14.962081ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014163/publication.txt
observed d95873c8b6200f8f2fead463dfaa8de8...
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.