OpenTechnical

OT-2026-000088145

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000088145) never changes.

Identity and time

Publication numberOT-2026-000088145 · never reused
Internal UUID01a0ae9b-1aa8-7a8d-8958-d910e9bacda8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088145
StatusPUBLIC

Content hashes

Canonical text22bf5058929671e51f57af16787087bc0e3c4f6e7580206fe92ea2f863af7c25
Markdown890ccdc1c5ae17e0a6ba3516b892ecf34a66a93bd36f8911677deb2bad65181a
PDF
Publication page980c56bb306f3958ab6a68e519fde060e6dd4ba43aa1472a6bcd40f5cdabd2b0
Manifest910545c8f86f203492c1e1ad639a53486c2881e4af833da33fe3d7b5f355e3bd

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
SignaturelKUM/eubfDafsBk7h9EfDPEtVeBm0A0KyFkL0Lj4CgdzZJvdmDnOnYLmvcw7Yeb/0ty0KbTfAAamAYXtGMAODA==
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

2026-09-17T09:50:10.893525ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088145
observed 980c56bb306f3958ab6a68e519fde060...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.875886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088145/manifest.json
observed 910545c8f86f203492c1e1ad639a5348...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.854032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088145/publication.md
observed 890ccdc1c5ae17e0a6ba3516b892ecf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.836502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088145/publication.txt
observed 22bf5058929671e51f57af16787087bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.174506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088145
observed 980c56bb306f3958ab6a68e519fde060...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.156287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088145/manifest.json
observed 910545c8f86f203492c1e1ad639a5348...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.139401ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088145/publication.md
observed 890ccdc1c5ae17e0a6ba3516b892ecf3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:10.121699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088145/publication.txt
observed 22bf5058929671e51f57af16787087bc...
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.