OpenTechnical

OT-2026-000078062

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-2026-000078062) never changes.

Identity and time

Publication numberOT-2026-000078062 · never reused
Internal UUID01a0ae95-6e8c-7113-9fdb-7020733d0cbb · 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-2026-000078062
StatusPUBLIC

Content hashes

Canonical text9700219811cea9d856e6eefaf664eb71e8dd1a4348da3f3e060346cbd2c7f233
Markdown963db28c4f3b12cdf6beaf211832574e7e60ea0f50de3bd32298035151bc2314
PDF
Publication page98b6baa285cfa98e15cb2c9943b838ab923446e09c0b2228b3f64ecb32f2020d
Manifest20af5dfb4b9f908ddfaa100be23590e3581d21fc595fa6d80fe35b800061277f

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
SignatureUEYc5LfQ9Kv8UOlZD1zEYALQSM4E2NAxIZUlzFAUrbkU5joZmq/D93O96yjK5rtvwhlZJUcEYGfA3H0QC+FjCQ==
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

2026-09-17T10:06:46.019540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078062
observed 98b6baa285cfa98e15cb2c9943b838ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:45.999193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078062/manifest.json
observed 20af5dfb4b9f908ddfaa100be23590e3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:45.977923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078062/publication.md
observed 963db28c4f3b12cdf6beaf211832574e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:45.959144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078062/publication.txt
observed 9700219811cea9d856e6eefaf664eb71...
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.