OpenTechnical

OT-2026-000079638

Publication integrity record

Single bellows cup vacuum gripper, two stage ejector, supply line pressure sensor, 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-2026-000079638) never changes.

Identity and time

Publication numberOT-2026-000079638 · never reused
Internal UUID01a0ae96-0b92-7fd2-9b92-7ab467541975 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079638
StatusPUBLIC

Content hashes

Canonical textd18a73f1ea4889a2d5ac59e9862de3eae8d638b35143a5ffd5c8f99f89e6c1fe
Markdowne523d6518bc4ad5acaf510e0d3976ed2630c6407753be5e533153e097bb79064
PDF
Publication page3abbec83f8de575bebdbe3f32b57fb95baf7010bc1aa49d65c749b88848a6be3
Manifest04e0d636d23d80c62e9425d265c394c1b1bb68abc9ba579d012d3728d92894bf

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
SignatureZUp0STlD2ePO+fq2MYd3FCVzHEb3cFinMgIORdssoVC3DUl3VJmcbwK3680vqamO8Iizywmfn/iebkEGLkDNBQ==
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

2026-09-17T10:04:08.932040ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079638
observed 3abbec83f8de575bebdbe3f32b57fb95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:08.913203ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079638/manifest.json
observed 04e0d636d23d80c62e9425d265c394c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:08.894198ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079638/publication.md
observed e523d6518bc4ad5acaf510e0d3976ed2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:08.874907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079638/publication.txt
observed d18a73f1ea4889a2d5ac59e9862de3ea...
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.