OpenTechnical

OT-2026-000061549

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, vented after 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-2026-000061549) never changes.

Identity and time

Publication numberOT-2026-000061549 · never reused
Internal UUID01a0ae8b-7b44-75f9-9667-87cb50c30273 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:46:11.808334Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061549
StatusPUBLIC

Content hashes

Canonical textcca6e29b798e27ab1849aca8b62a94a133f31c1982623638b1cbe1cd7be27f34
Markdown5faccf7388caf3abead2d97f5ac757807184f4094a7e0fc94e758cfba6642471
PDF
Publication page841e1a656ef15cbbcab544312479e86b998f89e9d1a8aab6b0bf437435c95554
Manifest448212abf28fadb56597265e80cf4d2182a9f11f7ad4dcbb4fd710008a8d0c63

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
SignaturedaZlgshG3NFCPo4lNY0XKdBQAjim3N3ueKM8mBeTq7bF1AuM7YCYcM3J0+6Pwb2cOaN6TRS9h8w6nB0/Iy61Dw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:41:27.600409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061549
observed 841e1a656ef15cbbcab544312479e86b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:27.582136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061549/manifest.json
observed 448212abf28fadb56597265e80cf4d21...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:27.563129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061549/publication.md
observed 5faccf7388caf3abead2d97f5ac75780...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:41:27.544114ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061549/publication.txt
observed cca6e29b798e27ab1849aca8b62a94a1...
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.