OpenTechnical

OT-2026-000012978

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, 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-2026-000012978) never changes.

Identity and time

Publication numberOT-2026-000012978 · never reused
Internal UUID01a0ae6d-5564-7008-9aa4-c761b6ba995d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:16.019734Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012978
StatusPUBLIC

Content hashes

Canonical text49ef216c4972e3e166529c2d1403f6f25e4fbb006f995bfd8436d475020df0ac
Markdown92016b455712ac5842e58dd61a7ae8ac9870ce92846ff8abdfb9ea662b313b23
PDF
Publication page890ae2c3129860f7252799419da155aba6b3b547e611a3fe6b3abbb8e9523e7a
Manifest3548aca7b51e23d89ccb14ca1beb9e74ae138c24c17d3ffd21115e7e5a5704ac

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
SignaturemkV/DMKbF/smtd/LfSOGqo/DEB/DCmTV3sF3Lof2ayCJVn21JWKPAnhr6rYnFU5dr6/58Roi0GSwdBW5KRKBAw==
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

2026-09-17T12:10:47.465960ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012978
observed 890ae2c3129860f7252799419da155ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:47.446388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012978/manifest.json
observed 3548aca7b51e23d89ccb14ca1beb9e74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:47.425525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012978/publication.md
observed 92016b455712ac5842e58dd61a7ae8ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:10:47.406838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012978/publication.txt
observed 49ef216c4972e3e166529c2d1403f6f2...
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.