OpenTechnical

OT-2026-000018313

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, supply line 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-2026-000018313) never changes.

Identity and time

Publication numberOT-2026-000018313 · never reused
Internal UUID01a0ae6e-b489-7e96-b861-c3d28c9e5b56 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018313
StatusPUBLIC

Content hashes

Canonical text6c4da289ead76949c01a48d4d194703bd4ca81ac4faf8fcb7fb9b9d91b4f1757
Markdown9d6b5033ce61806e963a7f926f1a9025173765d26b1fdd1dd7d114a28e4ec3b8
PDF
Publication pagedcecf984c8d8770c6f9ca8ca59076982a19805078c5e4e25f11c6590968b6bf4
Manifestc037d31bb28d0b3cb34ef1ec61e09a62dcf6a85ebb53b3b5064faf5aaeaa9cdf

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
SignaturelWsCf9RJsaNhr4bGi3Y9tQuj/xs6ru4YbM8AftOXjJkOK8HIS2qwTY2obcLbTYPe0T/A3hztaZvxxCgL+k7aAQ==
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

2026-09-17T12:01:02.992565ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018313
observed dcecf984c8d8770c6f9ca8ca59076982...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:02.976335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018313/manifest.json
observed c037d31bb28d0b3cb34ef1ec61e09a62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:02.959441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018313/publication.md
observed 9d6b5033ce61806e963a7f926f1a9025...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:01:02.942983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018313/publication.txt
observed 6c4da289ead76949c01a48d4d194703b...
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.