OpenTechnical

OT-2026-000078110

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, single stage ejector, vented after 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-2026-000078110) never changes.

Identity and time

Publication numberOT-2026-000078110 · never reused
Internal UUID01a0ae95-6e8c-7f89-9c98-1586f0fb7c3e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:03.897850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078110
StatusPUBLIC

Content hashes

Canonical text912de18ec60c8a77cfeb4a5b91a98a5ac027a646adbc833f75392f5d7f8094fc
Markdownfa8d77c3ab2c5d2da712632531817fcfffad89b7cb9e8c86733ce93967114d80
PDF
Publication pagea9a9accb8aff3b114b3064100a69bcf7ce7cf82c9be438f98966941510f3d692
Manifestc6de7b32139b2f4374106a72ed1f8987675112ac118c3fe10c86b5ab6c08209f

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
SignaturexkvuT2ougZg+bgL8FXGYUjVVR3llpEHeXamPJ/cw3yxu9s0KexYMNxapes7LcGTmIzDkUb2DfZieT/TUXqO6AQ==
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

2026-09-17T10:06:49.183904ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078110
observed a9a9accb8aff3b114b3064100a69bcf7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:49.165576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078110/manifest.json
observed c6de7b32139b2f4374106a72ed1f8987...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:49.146136ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078110/publication.md
observed fa8d77c3ab2c5d2da712632531817fcf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:49.126664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078110/publication.txt
observed 912de18ec60c8a77cfeb4a5b91a98a5a...
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.