OpenTechnical

OT-2026-000079754

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, 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-2026-000079754) never changes.

Identity and time

Publication numberOT-2026-000079754 · never reused
Internal UUID01a0ae96-4375-7978-ae7e-ee0801fb3a91 · 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-2026-000079754
StatusPUBLIC

Content hashes

Canonical texta22f28f7f17f64bb9453809c65f2c1be26c1c66806a1ee474cec81feefed76d2
Markdown89a25e4d42c6f39f84185102cb23510aa017e3772b6e02cfccaf43d18c6f3a52
PDF
Publication page03fa18c189b263cd46662b6ac0885af63532d57c72719e2869c0f744f3361c92
Manifest18d6e403eeb68339de5c48c64576ea75adf5ddc37080ed5f42e1c15608d861a4

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
SignatureGi27b/fSWGbzaPHsZu218H/8Uv1vVoBTrvGObKgonla3mhBB3FUIPGHdxqG8xe/0vN83/i8Zcm/OtXWMX60rAg==
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

2026-09-17T10:03:37.272500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079754
observed 03fa18c189b263cd46662b6ac0885af6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:37.255810ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079754/manifest.json
observed 18d6e403eeb68339de5c48c64576ea75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:37.239177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079754/publication.md
observed 89a25e4d42c6f39f84185102cb23510a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:03:37.221938ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079754/publication.txt
observed a22f28f7f17f64bb9453809c65f2c1be...
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.