OpenTechnical

OT-2026-000052849

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, 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-2026-000052849) never changes.

Identity and time

Publication numberOT-2026-000052849 · never reused
Internal UUID01a0ae84-a42e-7c0d-99a9-6f7f336e92d1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052849
StatusPUBLIC

Content hashes

Canonical text220a1bc1de333efd8d475e8e60e2121a5cc29602d73a9ae48468e9f84be1f96c
Markdown080b717cc23cc823578905af9bada6db9dd67f8bc1da4316ba0bd92cf4a64666
PDF
Publication page4a6ad523d9e4a293c692d83cc930d7451625f2dc7fa5ed5f82ed5d7bb103502a
Manifestee24f37dbf00f14e018a0e0a4a159b8174936812c68cfc90d7dd6877cf77badf

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
SignatureewVz9fxVnau0HiU/U6j2XKvuc4VGULo2S4iDE+lugTD3pgwU+cF3d/LbCm8uuxMeqUTvPmZijl9QYH/ZaH08DQ==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:56:28.594967ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052849
observed 4a6ad523d9e4a293c692d83cc930d745...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:28.576929ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052849/manifest.json
observed ee24f37dbf00f14e018a0e0a4a159b81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:28.559755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052849/publication.md
observed 080b717cc23cc823578905af9bada6db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:56:28.543552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052849/publication.txt
observed 220a1bc1de333efd8d475e8e60e2121a...
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.