OpenTechnical

OT-2026-000070132

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, plant vacuum fed, vented 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-2026-000070132) never changes.

Identity and time

Publication numberOT-2026-000070132 · never reused
Internal UUID01a0ae91-1862-7b2d-b091-fcbd0f8cc888 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070132
StatusPUBLIC

Content hashes

Canonical text7edd6c1f1068fba945ca966bec9d04738063d30f77cbc61bcf2fb78dfa305e0c
Markdown934948810ffba534901ce256bb86f6b0d1ebeda9acd7a3b69d80901f3b357595
PDF
Publication page4d094c21e39ffb878616654498479f386b6d2ba857f8a98f5892195f85018a2a
Manifestd316dcda43a5a907a0d30003231cdc1646c6d7518cb9d8a4eab4d5367c89d4c7

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
Signaturei+XyQ++YU/f5A3uWTNsXXqyZoP9D5O4BKuR+CXib8crwq/1j4LVqt8anrtSkrHKI+0dNAciayreopOtJHkQgCQ==
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

2026-09-17T10:27:10.476907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070132
observed 4d094c21e39ffb878616654498479f38...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:10.457665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070132/manifest.json
observed d316dcda43a5a907a0d30003231cdc16...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:10.437699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070132/publication.md
observed 934948810ffba534901ce256bb86f6b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:27:10.415853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070132/publication.txt
observed 7edd6c1f1068fba945ca966bec9d0473...
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.