OpenTechnical

OT-2026-000085618

Publication integrity record

Two cup vacuum gripper, two zone face, three stage ejector, 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-2026-000085618) never changes.

Identity and time

Publication numberOT-2026-000085618 · never reused
Internal UUID01a0ae99-aaad-7960-9259-5cc9577fcca3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085618
StatusPUBLIC

Content hashes

Canonical textb61fc3cea9fae8124a044c454daf4b2a09faf6befba5a669ca2a0c5048430c84
Markdown6c6b1a706300efc7d1848c6987ad5b67e71bf61f17444d33fc80b3b0ab5d7f1c
PDF
Publication page3409ea61640a4e32930f5042a03689f0d1f7ef54e116148bba199c722f66f867
Manifest7a2d523e82c62a12fd833afb49c0852a0777e6b2b44de25e84866b3a71e35b39

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
SignatureubksWtenAlXwDbW/yQG8tNbdvoJ613VvSE7oC0b/YIijEUoCV2Rb4V4h+Ke0PuQ/VsRTNup5qTUwY8WoHQ7eCQ==
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

2026-09-17T09:54:29.958455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085618
observed 3409ea61640a4e32930f5042a03689f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:29.934032ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085618/manifest.json
observed 7a2d523e82c62a12fd833afb49c0852a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:29.900586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085618/publication.md
observed 6c6b1a706300efc7d1848c6987ad5b67...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:29.880455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085618/publication.txt
observed b61fc3cea9fae8124a044c454daf4b2a...
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.