OpenTechnical

OT-2026-000012167

Publication integrity record

Foam pad vacuum gripper, three zone face, two 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-2026-000012167) never changes.

Identity and time

Publication numberOT-2026-000012167 · never reused
Internal UUID01a0ae6d-39f4-7e4f-bb3f-24d38d46a293 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012167
StatusPUBLIC

Content hashes

Canonical text3a4a360d7b41714bdc39b481fdcdc527d523c45313db93f3cb5b77623e0441de
Markdownafc83a9e58a79d6c2b5d83ac3a688b5c8db6df691f8e9e6baa4ad1ba084b8119
PDF
Publication page7f48839794a29653e80b37680aee8cf2983c0f062b93894f6ae1298863a2e7c6
Manifest4ee32c7b3231a8e41572832a949ce684cb1f416bcfb061e37aa3a17d8837e122

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
SignatureJWhDh1OOYgcCwKovC8ic3PNmBP7Rzo980O57/3QrKQrSbV83gBaAFJZTd+k6WZdFJT72WYEY9pDtQzifKVqRBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:11:04.009285ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012167
observed 7f48839794a29653e80b37680aee8cf2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:03.990438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012167/manifest.json
observed 4ee32c7b3231a8e41572832a949ce684...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:03.972439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012167/publication.md
observed afc83a9e58a79d6c2b5d83ac3a688b5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:11:03.953207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012167/publication.txt
observed 3a4a360d7b41714bdc39b481fdcdc527...
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.