OpenTechnical

OT-2026-000034687

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000034687) never changes.

Identity and time

Publication numberOT-2026-000034687 · never reused
Internal UUID01a0ae76-1ed1-7f2b-b47d-d3f29ce6ba6b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034687
StatusPUBLIC

Content hashes

Canonical textfbf1da429ccdc1e749958c019d4a44665b6b4aadc10569a625df50a6392c79f2
Markdown33fe3145cc838f31ed28eb1c4b598c6e44358cab31d9b65d6296030a8e2f23a3
PDF
Publication page18d5f217397d68b205c06503f41b3d06c22be48510df0955cafa120bca56dce8
Manifestd183ed0d28cb8df2bfcea176952386bdf297128c9d49a42498d97d67a247cf48

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
SignatureNDreVP/Ein3NQyQT9cT4UZorATi275hrhwnP3lOOu8HQu9VMsliN3AbU6YZ1cpxlYGsKFxKn/nmXjQQx/ytLBw==
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

2026-09-17T11:30:04.366627ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034687
observed 18d5f217397d68b205c06503f41b3d06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:04.344874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034687/manifest.json
observed d183ed0d28cb8df2bfcea176952386bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:04.289898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034687/publication.md
observed 33fe3145cc838f31ed28eb1c4b598c6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:04.228686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034687/publication.txt
observed fbf1da429ccdc1e749958c019d4a4466...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:37.578208ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034687
observed 18d5f217397d68b205c06503f41b3d06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:37.561152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034687/manifest.json
observed d183ed0d28cb8df2bfcea176952386bd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:37.529833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034687/publication.md
observed 33fe3145cc838f31ed28eb1c4b598c6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:29:37.500555ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034687/publication.txt
observed fbf1da429ccdc1e749958c019d4a4466...
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.