OpenTechnical

OT-2026-000005500

Publication integrity record

Vacuum cup gripper, three zone face, three stage ejector, pulsed blow off before 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-2026-000005500) never changes.

Identity and time

Publication numberOT-2026-000005500 · never reused
Internal UUID01a0a93b-0969-7133-909b-3a21a6ab5c8d · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:00:13.676131Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005500
StatusPUBLIC

Content hashes

Canonical text1e9d0b0480a5113ec09de5d579e9ec078f62e61632af3e79e6b34f0368728386
Markdown21edd7d209fd3dfdcd6f1abc3616bfd4f78f4e2a8329a854376428088ec7bbc5
PDF
Publication page617477d0133005cd6d1b40702d1c0f8c4a4458ae8f66c3396aa54df1a4d66eba
Manifest353cf72156cc73319e0b746fbdcebe9bbe187e0a0e302796deff0257147a496e

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
SignatureEJrsK2m4hkwugOcE0lylg4tDIcu1IP9tLtf1IJlrLk2f7m63vPHXN1fCYb8lYhxGedcGklpF0BbWz5Sz+iY+AA==
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

2026-09-16T08:10:33.458207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005500
observed 617477d0133005cd6d1b40702d1c0f8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:33.444631ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005500/manifest.json
observed 353cf72156cc73319e0b746fbdcebe9b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:33.430306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005500/publication.md
observed 21edd7d209fd3dfdcd6f1abc3616bfd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:33.415492ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005500/publication.txt
observed 1e9d0b0480a5113ec09de5d579e9ec07...
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.