OpenTechnical

OT-2026-000078052

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, 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-2026-000078052) never changes.

Identity and time

Publication numberOT-2026-000078052 · never reused
Internal UUID01a0ae95-6e8c-7fc6-a674-78b3a64035f2 · 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-2026-000078052
StatusPUBLIC

Content hashes

Canonical text1f729060a1c1f2a89d66be206e147c5ecac0a8903074bbc41c92211822e31bc9
Markdownd0816c211882ef33ee701b72b1c95dcdd116e286f969bb41d145c77e7147822c
PDF
Publication page8274e4f700d5ed092d66db023fc77d605e94b5f453a930107e037913f075fc84
Manifestb22239f8b20c6bd5f220bdad3637d02154e0485b92d204588ed9d1098351335a

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
Signature5KmBsv7rpykc9RK3B2dNT2juPApHVZF22jSo0ELyaoWNoRLkDVakTpUcCap1h5mrB/2aIgj7h/xLN0d1GGvvAw==
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

2026-09-17T10:06:45.381212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078052
observed 8274e4f700d5ed092d66db023fc77d60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:45.362922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078052/manifest.json
observed b22239f8b20c6bd5f220bdad3637d021...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:45.344284ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078052/publication.md
observed d0816c211882ef33ee701b72b1c95dcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:45.324573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078052/publication.txt
observed 1f729060a1c1f2a89d66be206e147c5e...
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.