OpenTechnical

OT-2026-000016923

Publication integrity record

Two cup vacuum gripper, two zone face, four outlet manifold, pump fed, pulsed blow-off 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-2026-000016923) never changes.

Identity and time

Publication numberOT-2026-000016923 · never reused
Internal UUID01a0ae6e-591a-77d5-a27f-288ad273af1f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016923
StatusPUBLIC

Content hashes

Canonical textd60c9ddb8702c5e33607db82b763c9d5e232b488a804c6284c6573dca973e426
Markdowndbc49de3ec8839328dac83f5623438aeaf23ebf28881d312f5243c7490281cfb
PDF
Publication page74a8925047798e0adc747a94aba5c119a617ce944ca4687cfa64e03ddbae6632
Manifest8408667db818bbdb6e1fe56f3a0857ce976284ca4c7554451a29b7938118ad4b

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
Signature4KygIef2j9Is1/AipyLHnirsZD0KaeotONI5IIUGDvfbh8TwG5oE/cCeC83zMqnK9iN+1DC5rFRSH4xZxz4GBg==
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

2026-09-17T12:03:12.250619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016923
observed 74a8925047798e0adc747a94aba5c119...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:12.234463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016923/manifest.json
observed 8408667db818bbdb6e1fe56f3a0857ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:12.217497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016923/publication.md
observed dbc49de3ec8839328dac83f5623438ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:12.199963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016923/publication.txt
observed d60c9ddb8702c5e33607db82b763c9d5...
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.