OpenTechnical

OT-2026-000104102

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, single stage ejector, 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-2026-000104102) never changes.

Identity and time

Publication numberOT-2026-000104102 · never reused
Internal UUID01a0aea5-341f-7bac-80f3-b3428706482b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104102
StatusPUBLIC

Content hashes

Canonical text55f52d96801d1802bbdee5b126575cc52ded06a48b58903b3f926d1c02fee0e1
Markdown1371d7a7b2a54bfed7207ca742ee30fd697bfa02472c8932bd97f01aabef5695
PDF
Publication page1a5fe7b41b317b49d364396fcadaa11dd16510d579fe539f0b07b06dca8b7a6f
Manifest57fea32562c8c81e24483480d86ef1509f252dc7557e710a1003412caca52e96

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
SignaturezBDAoCUNb7OLrCYIn7Bb+lPWoSwuTIWYGiYpUX7LiJNkcbA+W0piQNGl0LQGfbI6dVF6sCc756kIRXcghPTFDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:10.466614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104102
observed 1a5fe7b41b317b49d364396fcadaa11d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:10.448672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104102/manifest.json
observed 57fea32562c8c81e24483480d86ef150...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:10.431220ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104102/publication.md
observed 1371d7a7b2a54bfed7207ca742ee30fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:10.414932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104102/publication.txt
observed 55f52d96801d1802bbdee5b126575cc5...
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.