OpenTechnical

OT-2026-000100164

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, single stage ejector, pressure sensor per zone, sustained blow-off before 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-2026-000100164) never changes.

Identity and time

Publication numberOT-2026-000100164 · never reused
Internal UUID01a0aea3-3052-70b1-9856-dd68cf82b8b2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100164
StatusPUBLIC

Content hashes

Canonical text9ee54f3e535007f81475b21f8c702138b137428adef31aaa45de292b9d2144df
Markdownd4766aca44c9073554e82267dba6158747b49cf3871ec628a8e25dcf5158d701
PDF
Publication page8176aa7982b1d89c7e334d927240cee2a3be4d0a8b602d1f66c151d378339d4e
Manifest16b5494e5b2948a37f30fc141348472ce4dda81b06f59a1f9f6343ef16223367

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
Signature0+xp/hrRkRVj3L2lWg/CN7zskMcwEyqLp1ygalIDnRLA55no7LyY+20JSrGcqudz5dHRqGcsCZGOUZTjlZyOBA==
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

2026-09-17T09:27:52.415179ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100164
observed 8176aa7982b1d89c7e334d927240cee2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:52.397675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100164/manifest.json
observed 16b5494e5b2948a37f30fc141348472c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:52.367640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100164/publication.md
observed d4766aca44c9073554e82267dba61587...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:52.338985ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100164/publication.txt
observed 9ee54f3e535007f81475b21f8c702138...
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.