OpenTechnical

OT-2026-000078997

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000078997) never changes.

Identity and time

Publication numberOT-2026-000078997 · never reused
Internal UUID01a0ae95-ccbe-730d-bd2c-3e408d9c9a7d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078997
StatusPUBLIC

Content hashes

Canonical text0fa2b3e346d1277a0e49528be9cbdea756599bd5186c1c70b66ef106f1514faa
Markdownb192a4f38c4bbf4e32d97db3168a2e3b1aa9ce61291fe4ba5c895f9dbb69f01b
PDF
Publication page4e86d37ecf910c0fd723bea4cb4be73602f66c71948ef0bcb6b89017e5e86ced
Manifeste246b96ec7c690e529853624e28be347411ebcbc39beae26ed9ae75781045b3f

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
Signaturee40rY3lzI1En7mfx+BIfKBmdZOi3WpsP18BrScH3jc5uQ00Ze4q9h6w6eJOLAttUj1orL3v96ni8jIJ2r1njBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:49.731616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078997
observed 4e86d37ecf910c0fd723bea4cb4be736...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:49.705336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078997/manifest.json
observed e246b96ec7c690e529853624e28be347...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:49.546395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078997/publication.md
observed b192a4f38c4bbf4e32d97db3168a2e3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:49.531701ZHTTP 502 · ERROR
https://opentechnical.org/p/OT-2026-000078997/publication.txt
observed ...
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.