OpenTechnical

OT-2026-000070237

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, supply line pressure sensor, 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-2026-000070237) never changes.

Identity and time

Publication numberOT-2026-000070237 · never reused
Internal UUID01a0ae91-545e-7178-8ac7-1c5c1f391679 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070237
StatusPUBLIC

Content hashes

Canonical text3f26ee8d150c834d98ee4b2f33fa5b877bd82f1480580690e0c4c8b893939f99
Markdown8ba2a07b2a79587668b6b48ccb60a0b3c364f1d272208dad57dbf2729707558b
PDF
Publication page2c2913a2d51a640b9355a70615eb9747b235282be269f1d9fbe31d116e30ed57
Manifest5262443161807f016f8bf3417bef28ffed9395796be539d0c0a0525bd52de9bd

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
Signaturefpue/sGmStesiC9ZvF+IA0cLneIlSwCBShfkrdgN3W26nZY9d1SodZiCB5SRGjgrXMqOpeaA4eB9MBcEVDW9BA==
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

2026-09-17T10:26:00.713736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070237
observed 2c2913a2d51a640b9355a70615eb9747...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:00.696874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070237/manifest.json
observed 5262443161807f016f8bf3417bef28ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:00.680308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070237/publication.md
observed 8ba2a07b2a79587668b6b48ccb60a0b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:00.661947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070237/publication.txt
observed 3f26ee8d150c834d98ee4b2f33fa5b87...
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.