OpenTechnical

OT-2026-000049744

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off 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-2026-000049744) never changes.

Identity and time

Publication numberOT-2026-000049744 · never reused
Internal UUID01a0ae81-8fef-722a-aef0-714ae7d47339 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049744
StatusPUBLIC

Content hashes

Canonical textd92e15e507aed4b1c66ff35f72ee97edec74f02fe204c4069a3e9ee17cbdcae2
Markdown9f5513e64e23c4ad4962b4e21bad94cdc3588db6efb255c0869015c99422bc8f
PDF
Publication pagef73158cdf48d6eea73c17defca3b0a4a35cec102d573ed706feb02c4365d6456
Manifeste387c59957b10cb13b158853c802eac1dfaa782b5166e86087d50b231d717f20

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
Signature8YifMnJdDVbjyctPpk2TUvvLr/YLzJCHTJPxSU4wITQy1W1iuY17nBuVD4jtKrrvOHvdwph7FcpKuBqm42uECg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:02:46.319991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049744
observed f73158cdf48d6eea73c17defca3b0a4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:46.300141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049744/manifest.json
observed e387c59957b10cb13b158853c802eac1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:46.280795ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049744/publication.md
observed 9f5513e64e23c4ad4962b4e21bad94cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:46.260246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049744/publication.txt
observed d92e15e507aed4b1c66ff35f72ee97ed...
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.