OpenTechnical

OT-2026-000007163

Publication integrity record

Vacuum cup gripper, four zone face, three stage ejector, contact triggered, rubber cups, oval form

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-2026-000007163) never changes.

Identity and time

Publication numberOT-2026-000007163 · never reused
Internal UUID01a0a974-fd89-7b16-8835-ea4fd221ca05 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T09:03:31.724500Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007163
StatusPUBLIC

Content hashes

Canonical textdcb898105662841c64c30b8f4c281c34cfdbb4428e4684289d5a0ddfe09fdb66
Markdown43027130610b152c94240bf0ebb2fb2f95e2fe9fb073ed3e7388fe54b544459b
PDF
Publication pagea2e64c86320a7a80ebd68861192b6179b7cdc6b9871f7b8577635afd0e559a6d
Manifestb72b16ee037dbf73b116c0dce74c2f23194efcb86cbd4a518fc81c9d2295b5f6

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
Signature5sh9R35rRaSZ+dPeGa7lbPyttd/U5IQe/1zr+G7DBvJ0GIU0Ex6qBs/3V/Z9LcaDriFmhw91oAvCmWvtJObXAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:10:20.388294ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007163
observed a2e64c86320a7a80ebd68861192b6179...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:20.254238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007163/manifest.json
observed b72b16ee037dbf73b116c0dce74c2f23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:20.240435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007163/publication.md
observed 43027130610b152c94240bf0ebb2fb2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:10:20.226290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007163/publication.txt
observed dcb898105662841c64c30b8f4c281c34...
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.