OpenTechnical

OT-2026-000072581

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, three stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000072581) never changes.

Identity and time

Publication numberOT-2026-000072581 · never reused
Internal UUID01a0ae92-89d8-75a1-b4a5-7eec5ab2ee59 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072581
StatusPUBLIC

Content hashes

Canonical text7ddabf8a59f7b5113a4abf74e66c876dde2cd1d5709d95560ccf6f0a9cbc2e11
Markdownf40ccba84bfcb28538d34f2f97fe343c5380b26841d92e61413351a87cef7d20
PDF
Publication page9b284af99cbc57175ad29978bbbb03260ce9c26643acdee57d35bfbca02a08fc
Manifeste691d3926ad6ce2710c1e2c67885a3ad278d0b1935c2c7e785887c845cd14b01

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
SignaturepKGyEyuWZTCPSopo53t27dqI1yfGQoZt8QK7lKuhW2bkiRQXwPy1F7SGMa0ezUV788glv30+JEVpS7DxrzlLAw==
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

2026-09-17T10:22:25.387685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072581
observed 9b284af99cbc57175ad29978bbbb0326...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:25.369142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072581/manifest.json
observed e691d3926ad6ce2710c1e2c67885a3ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:25.350375ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072581/publication.md
observed f40ccba84bfcb28538d34f2f97fe343c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:25.330710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072581/publication.txt
observed 7ddabf8a59f7b5113a4abf74e66c876d...
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.