OpenTechnical

OT-2026-000008526

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, plant vacuum fed, vented 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-2026-000008526) never changes.

Identity and time

Publication numberOT-2026-000008526 · never reused
Internal UUID01a0ae6a-e46a-7939-93a3-bbf190c2eab3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008526
StatusPUBLIC

Content hashes

Canonical textee97036dcde171c6210f9c75bd5ea032f5dbf059dc44df8f4e90f96dcd6f5930
Markdown67cefbb189c4569de3035e16370bbc6035890d9a8b22917b59de6cc141a3f2d7
PDF
Publication page93af795a7e24b0beb0774422c5096074cd4c67551da46841f7d434bfe3f0a353
Manifest762da7b3f003d3d6b4729397268cc08991bdefec67acce2ecf2417939157f503

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
SignatureEJtl1YUVY64gGV+VxmThoslg0CecPxRVsRB7D++/RF7aYlIzFuWU5JqrvTnwEWyAb5DKG8fuZvCubgUBhnDRCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:26.604415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008526
observed 93af795a7e24b0beb0774422c5096074...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:26.584215ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008526/manifest.json
observed 762da7b3f003d3d6b4729397268cc089...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:26.564129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008526/publication.md
observed 67cefbb189c4569de3035e16370bbc60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:26.546323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008526/publication.txt
observed ee97036dcde171c6210f9c75bd5ea032...
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.