OpenTechnical

OT-2026-000034740

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000034740) never changes.

Identity and time

Publication numberOT-2026-000034740 · never reused
Internal UUID01a0ae76-1ed2-7585-b774-f5c10dfd3e55 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034740
StatusPUBLIC

Content hashes

Canonical textb3a4600fd95dfaf42a88a394d52ea5c9975c07d06034a9754e8de31a4aaf7971
Markdown36c0d5309f6dbc56c60ffaa6571e929ae9c0f44aac63341c7cf8b4cfb4901462
PDF
Publication pagea8e9923142c64ae357a130acc16729dec92235d18e7ffc7c1c3c0b229115375f
Manifest82b1b59c23a7e8a508f65758f6b7d637c0cf469e3c27d57bed46e1746d36e951

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
SignatureD6JRd2jAhtEL4Pucs439rjsMEvPyWnymANLP9QItXflOdfykS1a+Y+I8EwgBeWpqmnEC450o14L4fRw8cfRoCQ==
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

2026-09-17T11:30:13.357601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034740
observed a8e9923142c64ae357a130acc16729de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:13.333828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034740/manifest.json
observed 82b1b59c23a7e8a508f65758f6b7d637...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:13.313474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034740/publication.md
observed 36c0d5309f6dbc56c60ffaa6571e929a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:13.290699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034740/publication.txt
observed b3a4600fd95dfaf42a88a394d52ea5c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:41.737942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034740
observed a8e9923142c64ae357a130acc16729de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:41.719197ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034740/manifest.json
observed 82b1b59c23a7e8a508f65758f6b7d637...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:41.701867ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034740/publication.md
observed 36c0d5309f6dbc56c60ffaa6571e929a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:41.681664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034740/publication.txt
observed b3a4600fd95dfaf42a88a394d52ea5c9...
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.