OpenTechnical

OT-2026-000076039

Publication integrity record

Foam pad vacuum gripper, four zone face, single stage ejector, 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-2026-000076039) never changes.

Identity and time

Publication numberOT-2026-000076039 · never reused
Internal UUID01a0ae94-2a00-7317-8d80-2954b85b0130 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076039
StatusPUBLIC

Content hashes

Canonical text87d1377325001e7eb5379b7a29bc0d1155f2d845c39f8986cb6a599de05d3fa1
Markdown737a8beb506a5e9bf17a2ff6a8e93d7bd3079b9bac7e483127e36220b3df385c
PDF
Publication pageb6f4b36e5820955e4d39d5cd3d0bb0a439188eae7f56131193d94757cc67b0d3
Manifest53fde4f8feec4cd5ddd1cfcf1f4b05bdb2b136611219f627ac224e957b9a3be1

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
Signature1mki11inrtGf1Z9WnYGyru7YuFRNcInc/5W1wa00mhSJHMaljuyI0e8GuFzaL6GI/jeLyc3+iXQuiswsTvrBAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:20:17.902843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076039
observed b6f4b36e5820955e4d39d5cd3d0bb0a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:17.883926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076039/manifest.json
observed 53fde4f8feec4cd5ddd1cfcf1f4b05bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:17.865185ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076039/publication.md
observed 737a8beb506a5e9bf17a2ff6a8e93d7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:17.847391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076039/publication.txt
observed 87d1377325001e7eb5379b7a29bc0d11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:16.486706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076039
observed b6f4b36e5820955e4d39d5cd3d0bb0a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:16.466680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076039/manifest.json
observed 53fde4f8feec4cd5ddd1cfcf1f4b05bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:16.447755ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076039/publication.md
observed 737a8beb506a5e9bf17a2ff6a8e93d7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:16.307647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076039/publication.txt
observed 87d1377325001e7eb5379b7a29bc0d11...
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.