OpenTechnical

OT-2026-000083237

Publication integrity record

Foam pad vacuum gripper, two zone face, two 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-2026-000083237) never changes.

Identity and time

Publication numberOT-2026-000083237 · never reused
Internal UUID01a0ae97-c963-72e5-b293-e7938f55be7f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083237
StatusPUBLIC

Content hashes

Canonical texted5883fecfeb89276d34e4fa4fc2fdb8f5fa8860d8684a1a9a96f6fbbfc1072e
Markdown72502b9ec93eb1155d124938390f14aaa729a60bc15374373bd592deca05db2c
PDF
Publication page55e147bdc7f8642d4547b50240a2f3faf68be8bda039d904c366af13c420b06a
Manifest421783077aaf070629907033c222e1f9107463991f59408c83f3495c09794bbe

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
SignatureylrWzyhdHzT6hhYUecHPyi+UzokR8w+/221kMqO44wDnOl9rch5pIv8neHt9cP4ev4lGlfxyU9/2vwj4laAcAQ==
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

2026-09-17T09:01:12.320017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083237
observed 55e147bdc7f8642d4547b50240a2f3fa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:12.176676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083237/manifest.json
observed 421783077aaf070629907033c222e1f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:12.158665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083237/publication.md
observed 72502b9ec93eb1155d124938390f14aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:01:12.140219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083237/publication.txt
observed ed5883fecfeb89276d34e4fa4fc2fdb8...
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.