OpenTechnical

OT-2026-000077767

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, three 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-2026-000077767) never changes.

Identity and time

Publication numberOT-2026-000077767 · never reused
Internal UUID01a0ae95-2ed0-782d-8ae6-9db936343401 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077767
StatusPUBLIC

Content hashes

Canonical text198eb4744a4e46a7fe92ac3cc05461412c84a5ccbc7041876afce40028fc0a03
Markdownee65139feb9dc173fe6f9713e8757643a288acc316edc2434d366a1dea2ee1ba
PDF
Publication page191eac562038cd263f7d98995ac4db845ba78582770baabb43b90d8729bff4cd
Manifest6545f1cc969c2abaec4447437bcb4a81198b8b211abed712da8cd6e46be1ac59

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
SignatureeoEepCFnWzOvz1p5QZcghv8fYwIvwsa+HQbYmt4uKl8/bKrD9LxHInfL8zySYmrOPEVMwA5VwFCpjvcYL0xAAA==
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

2026-10-13T20:42:02.935364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077767
observed 191eac562038cd263f7d98995ac4db84...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-13T20:42:02.851777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077767/manifest.json
observed 6545f1cc969c2abaec4447437bcb4a81...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-13T20:42:02.781508ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077767/publication.md
observed ee65139feb9dc173fe6f9713e8757643...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-10-13T20:42:02.661919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077767/publication.txt
observed 198eb4744a4e46a7fe92ac3cc0546141...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-20T08:43:26.225057ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077767
observed 191eac562038cd263f7d98995ac4db84...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-20T08:43:26.120346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077767/manifest.json
observed 6545f1cc969c2abaec4447437bcb4a81...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-20T08:43:25.968698ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077767/publication.md
observed ee65139feb9dc173fe6f9713e8757643...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-20T08:43:25.793703ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077767/publication.txt
observed 198eb4744a4e46a7fe92ac3cc0546141...
fetched by grabo-systems from 34.44.131.203, 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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent