OpenTechnical

OT-2026-000083947

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, two stage ejector, sustained 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-2026-000083947) never changes.

Identity and time

Publication numberOT-2026-000083947 · never reused
Internal UUID01a0ae98-0418-7161-bff8-7308a10ebb46 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083947
StatusPUBLIC

Content hashes

Canonical textb927adf102fe19d44ba282477c2105ac5b6600cf186140200bb4aaca9b7d97a6
Markdown97e49c80e5d1d28b9c25be5636c27596511731fbe097ebb8fd04cc2db7a24523
PDF
Publication pagec4a8c23894f542a9424c286ccb26bdf66b658d437f78088bfcdbd973e164d5e8
Manifestda7bc45afb3e547114c133cdac86a3d785ed9c17e7ece80a712a59855fc0af43

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
SignatureJ0XgtbANk+9gLto3mnw8AkXUvq3Zg/UaZQ9yqBbGja2QagcKnoVlzzamV6MGeWxscXYksbYvF/3wGfUK7MVDAw==
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

2026-09-17T10:00:27.123595ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083947
observed c4a8c23894f542a9424c286ccb26bdf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:27.099454ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083947/manifest.json
observed da7bc45afb3e547114c133cdac86a3d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:27.077295ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083947/publication.md
observed 97e49c80e5d1d28b9c25be5636c27596...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:27.058890ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083947/publication.txt
observed b927adf102fe19d44ba282477c2105ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:37.775765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083947
observed c4a8c23894f542a9424c286ccb26bdf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:37.759748ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083947/manifest.json
observed da7bc45afb3e547114c133cdac86a3d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:37.741785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083947/publication.md
observed 97e49c80e5d1d28b9c25be5636c27596...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:37.717878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083947/publication.txt
observed b927adf102fe19d44ba282477c2105ac...
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.