OpenTechnical

OT-2026-000088051

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single stage ejector, supply line pressure sensor, sustained blow-off 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-2026-000088051) never changes.

Identity and time

Publication numberOT-2026-000088051 · never reused
Internal UUID01a0ae9b-1aa7-7aab-be2f-366a3614100e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088051
StatusPUBLIC

Content hashes

Canonical textf722197e42095fd32d668fd46b2717a1ea59fae801f95ca2cdf3749113052297
Markdownb727b21ccfe0788f5d8763fb334697250e49d6bef577e99beb44c4042a6ae5f3
PDF
Publication pagea15d4639fa3f5306e94e0b0f6e60a56f5c1284879a8339eabd7a3a67d835b58b
Manifest7696bb369f25c8af2c6c50810fa8912cbb34ee2dc2777d58dc82803b2fee48d5

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
Signatureg+RpHxWqBZW0Bt/wafW6Hq5a9nM3TTdNbY+MvpiStS86fOJJkIy20geAKYo9qwsmPX+MG6N3tRUgcg/mIHB2DA==
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

2026-09-17T09:49:26.864862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088051
observed a15d4639fa3f5306e94e0b0f6e60a56f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:26.846137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088051/manifest.json
observed 7696bb369f25c8af2c6c50810fa8912c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:26.827120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088051/publication.md
observed b727b21ccfe0788f5d8763fb33469725...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:26.808286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088051/publication.txt
observed f722197e42095fd32d668fd46b2717a1...
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.