OpenTechnical

OT-2026-000046943

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000046943) never changes.

Identity and time

Publication numberOT-2026-000046943 · never reused
Internal UUID01a0ae7e-d0f6-7d85-a29c-5188e127c557 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000046943
StatusPUBLIC

Content hashes

Canonical text24117b271f9c49a18dd31b80961aa5e77a4bedae9984ffcab0b75efc1ac948f2
Markdowna843cab00beac1ce9f5a64b41686394045a1b2c672404789f487c7053ccad8cf
PDF
Publication page611757cabd9951eef2d2b2566969730e31c9500507f3915a86e8d716ce07a2f7
Manifest221ca79972d64a00be1b6ece39056d20018524c478df4fe562881966ec03e957

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
SignatureAm3XXtoZDwv7Vu/3TCTV8n8NVSsqQ1TZiqWGEUwp535qQR6G17LwWaJPDoDgQQz1Sg5thDtCTTgYFwRwWoabBw==
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

2026-09-17T11:10:06.099536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046943
observed 611757cabd9951eef2d2b2566969730e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:06.079470ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046943/manifest.json
observed 221ca79972d64a00be1b6ece39056d20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:06.060511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046943/publication.md
observed a843cab00beac1ce9f5a64b416863940...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:06.041089ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046943/publication.txt
observed 24117b271f9c49a18dd31b80961aa5e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:40.353504ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046943
observed 611757cabd9951eef2d2b2566969730e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:40.335856ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046943/manifest.json
observed 221ca79972d64a00be1b6ece39056d20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:40.317299ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046943/publication.md
observed a843cab00beac1ce9f5a64b416863940...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:07:40.298085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000046943/publication.txt
observed 24117b271f9c49a18dd31b80961aa5e7...
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.