OpenTechnical

OT-2026-000002095

Publication integrity record

Vacuum suction pen for handling objects and materials to avoid hand contact

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-2026-000002095) never changes.

Identity and time

Publication numberOT-2026-000002095 · never reused
Internal UUID01a0a67a-94a9-764f-88a3-2a587c88d7a6 · UUIDv7, RFC 9562
Publication timestamp2026-09-15T19:10:46.441415Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000002095
StatusPUBLIC

Content hashes

Canonical text27bf5327894d50110db9d8079d6f0f1717139d68f8735e5118d34af3f5664b71
Markdownd8609d6634be01ae215d342cc46f918a5e198387cad3bc425ba83ff134a89e63
PDF
Publication page3d5dd010b5d8007b25157c5e26606daca26fb77d32b312cf2c585ec4c1ab12c1
Manifestbd7894b8bc8d2891be458f814d03dca71755ae5147f9a388c12ecb855be428d1

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
SignaturePnvi0uve7XxNnOJdoBQCkV0jOsa/x1mdiYzbdJrm85xPfuWkalHylPJ3hHOGlhgKCwbULfAytFSA6gFKkNVMDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-15T19:27:02Z
batch OT-TS-2026-W38-002 · RFC 3161 token · inclusion proof
root 2d7e364e718bd6a32072ec57f9edc195...

Independent retrieval

2026-09-15T19:50:25.665159ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002095
observed 3d5dd010b5d8007b25157c5e26606dac...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:50:25.637358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002095/manifest.json
observed bd7894b8bc8d2891be458f814d03dca7...
fetched by instance-3.rotem.ai from 127.0.0.1, which resolved the name to 35.239.157.139
2026-09-15T19:50:25.623264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000002095/publication.txt
observed 27bf5327894d50110db9d8079d6f0f17...
fetched by instance-3.rotem.ai from 127.0.0.1, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent