OpenTechnical

OT-2026-000069914

Publication integrity record

Single bellows cup vacuum gripper, three stage ejector, vented 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-2026-000069914) never changes.

Identity and time

Publication numberOT-2026-000069914 · never reused
Internal UUID01a0ae91-1860-736d-b628-1392bba90043 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069914
StatusPUBLIC

Content hashes

Canonical text39483de202d67fe3b16f409849e19af2421aeddee35e9aa8af69063b8ee6b9dd
Markdown1db409a1436dc72759f14003b92869b1c628cf4ec21c413e476c9a99e1bcc186
PDF
Publication page4d679fb4b6f72711b3f57f8092dfc0d358f4875c1688b8398a4793fa1c512af0
Manifest03e45089e9a9bf2e7c25f1f4cfa0a2e45ea880133d184a5a203232eb652f2d8e

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
SignatureEfP70ZCDvd76oXY572vDp50YQm1S4DRWr9fyfR64CBYoyVGEEICiI8kqsJVrf3YRllHC/SthRStvR+APHcbSDw==
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

2026-09-17T10:26:51.060199ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069914
observed 4d679fb4b6f72711b3f57f8092dfc0d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:51.041691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069914/manifest.json
observed 03e45089e9a9bf2e7c25f1f4cfa0a2e4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:51.023834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069914/publication.md
observed 1db409a1436dc72759f14003b92869b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:51.004885ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069914/publication.txt
observed 39483de202d67fe3b16f409849e19af2...
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.