OpenTechnical

OT-2026-000005538

Publication integrity record

Vacuum cup gripper, six outlet manifold, ejector fed, vented after set down, polyurethane cups

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-2026-000005538) never changes.

Identity and time

Publication numberOT-2026-000005538 · never reused
Internal UUID01a0a93c-709d-7e0c-a393-54dbdb30e774 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:01:45.635252Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005538
StatusPUBLIC

Content hashes

Canonical text6a72540461cd8b548114f5d602c332a644055527ce90762a037c57af97ff5aa8
Markdown1b19922461d1f1f8b35c2c06bc9350a2f79b10661e57ae2acb18b5915e0444d8
PDF
Publication pagedf81c6a0e191fcc945d4f73f614defad8691aad4a284a9c0d4fcc71b56f73d22
Manifestd4e2571c1262e6fe07400c05035ecae60a20e744b5e09c1429f204f1fd422035

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
SignatureeSb/3omHgdFYCE/CRx06NykGZmii/0KYeGWjYdwof33h5ruIdFLSTL8Ivl3CcqiQrZVajfWnjmcsf8Xtv3quCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:07:02Z
batch OT-TS-2026-W38-011 · RFC 3161 token · inclusion proof
root 8f13af7374aef42943b7bbe6a279c57a...

Independent retrieval

2026-09-16T08:10:29.151896ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005538
observed df81c6a0e191fcc945d4f73f614defad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:29.138765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005538/manifest.json
observed d4e2571c1262e6fe07400c05035ecae6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:29.124306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005538/publication.md
observed 1b19922461d1f1f8b35c2c06bc9350a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:28.987415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005538/publication.txt
observed 6a72540461cd8b548114f5d602c332a6...
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.