OpenTechnical

OT-2026-000042864

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, pulsed blow-off after 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-2026-000042864) never changes.

Identity and time

Publication numberOT-2026-000042864 · never reused
Internal UUID01a0ae7a-c0d1-74b9-a7b5-d5c53b51710a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042864
StatusPUBLIC

Content hashes

Canonical textd04372a74022619c18140ba68a214c362bfe7c610d9f232784bd218a05a3925a
Markdownca78874cc42e066250383dc01b732b11506b0f95095ba9a5abacc6a6e11941a8
PDF
Publication pagec0024e1ad321a0dfdda6a935a8d9e7218ae5143fca17f81b34ced900bbd747d1
Manifeste1e4032d391ce2559ccefd0563bd01492b8abf722ae884cc06e98d7029b0a2ce

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
Signaturesu0oP0GzW+8I7mje0oHtuoki10P9iVObpdkuEzZscZrVQde3B1j0tzBWfQUlyI82B+0x/nCSGeeMBVI/aZmGDw==
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

2026-09-17T11:15:21.521197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042864
observed c0024e1ad321a0dfdda6a935a8d9e721...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:21.503610ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042864/manifest.json
observed e1e4032d391ce2559ccefd0563bd0149...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:21.483751ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042864/publication.md
observed ca78874cc42e066250383dc01b732b11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:21.462420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042864/publication.txt
observed d04372a74022619c18140ba68a214c36...
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.