OpenTechnical

OT-2026-000010773

Publication integrity record

Single cup vacuum gripper, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000010773) never changes.

Identity and time

Publication numberOT-2026-000010773 · never reused
Internal UUID01a0ae6c-0ee9-7e42-a119-be8d270a7d1c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010773
StatusPUBLIC

Content hashes

Canonical texte8225e0d37c11379f9759fb9c54ea19539989c8df57df514c6bc8ec914330631
Markdown68ec5f37f4b7cd9601875ed380e44ec29662d1855b530d7cb856ac6c0143b35a
PDF
Publication page79ff62508df79b7e14651663c7f4b58e484e56b6f69701c7bfb14266e7758986
Manifestb90d51fd18173078d2424d4e3abb720007cbd85b55000a2464c3bff607c433a7

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
SignatureVGuI7UkZD1X3ha3/Pjo3F3GNxyOndi3HgROB6JdVauFOiBKUR7EbilnwipQrCqHRA3+ORjprXaAooxEfLSw9Bw==
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

2026-09-17T12:15:41.630260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010773
observed 79ff62508df79b7e14651663c7f4b58e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:41.586543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010773/manifest.json
observed b90d51fd18173078d2424d4e3abb7200...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:41.554609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010773/publication.md
observed 68ec5f37f4b7cd9601875ed380e44ec2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:41.528644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010773/publication.txt
observed e8225e0d37c11379f9759fb9c54ea195...
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.