OpenTechnical

OT-2026-000079696

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, vented after 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-2026-000079696) never changes.

Identity and time

Publication numberOT-2026-000079696 · never reused
Internal UUID01a0ae96-4375-7b1d-a737-21afd87e3e39 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:58.480954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079696
StatusPUBLIC

Content hashes

Canonical text654a4fb5493167f174de95a6b7b8e6e400b3b0bdd56bdee29755c723870a3312
Markdowndd6ac53567bf7504c1445d96ab3afe3fd64787350f2161050b3fd0f7bfe22f5e
PDF
Publication page45d7f49fbf729a75e318372911358a5308c353b9f269cf1494a272a631dfefe4
Manifestcbb0fbcd7ece53e0d5802b75332e59bece478ad732da8a2cac81180d70adf3e4

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
SignaturepztWziTWcbNBDpZZCWoo39zPOzGAspNv31LkDXucssBuggHT0pO/8BA9SGnmh6Z87vgv4Gx7MFwsIxh3rAeRDg==
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

2026-09-17T10:03:28.151707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079696
observed 45d7f49fbf729a75e318372911358a53...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:28.133271ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079696/manifest.json
observed cbb0fbcd7ece53e0d5802b75332e59be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:28.115347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079696/publication.md
observed dd6ac53567bf7504c1445d96ab3afe3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:28.098201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079696/publication.txt
observed 654a4fb5493167f174de95a6b7b8e6e4...
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.