OpenTechnical

OT-2026-000018055

Publication integrity record

Foam pad vacuum gripper, two zone face, six outlet manifold, three 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-2026-000018055) never changes.

Identity and time

Publication numberOT-2026-000018055 · never reused
Internal UUID01a0ae6e-96fd-7eb8-830c-67cbdbc7675b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018055
StatusPUBLIC

Content hashes

Canonical text4d4fad92c329fe4aeb4776f36262e35c7dd2ba7161cbab539ba55cf2130e160a
Markdown16577b8f0dc90cf9b242ca735200de877e3142af1b68a9895a2c4b739af49fbe
PDF
Publication pagee7788606bc7d23fac67c35bcd7e02f296f293e5014800f33d3994ab7d7c81604
Manifestfa1edca0f09a3e1600edfa92a702f22ab37f948045b29a0ec1f6af603ccfcdda

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
SignatureRy/nN18HAbvB+OEjre3VSbsIAWtCXGdU7ingfn9W/l8gPDZu94kqFS649sTgOeOdKTG/tqdDUSwsLRwpp/LwDg==
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

2026-09-17T12:02:05.564611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018055
observed e7788606bc7d23fac67c35bcd7e02f29...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:05.546798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018055/manifest.json
observed fa1edca0f09a3e1600edfa92a702f22a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:05.530493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018055/publication.md
observed 16577b8f0dc90cf9b242ca735200de87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:05.515342ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018055/publication.txt
observed 4d4fad92c329fe4aeb4776f36262e35c...
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.