OpenTechnical

OT-2026-000089481

Publication integrity record

Two bellows cup vacuum gripper, two zone face, three outlet manifold, pump fed, manifold pressure sensor, 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-2026-000089481) never changes.

Identity and time

Publication numberOT-2026-000089481 · never reused
Internal UUID01a0ae9b-db02-78f8-bae8-79da592ddd10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:04.880043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089481
StatusPUBLIC

Content hashes

Canonical text5f49ebad6ce56c712431c7cdc248738906e224fe0680862e5acfdbd81e8d4914
Markdown45dee89f3de9deb9eb25ca07104e56329917f6cc8e5f9cfef5b65c6b17653f5e
PDF
Publication pageae441e0315dc65492772456d9a2dbe55c38e88a9054d7d520508f74d3165de34
Manifestdbdcffe5950e7e3af34796bd6f4fd7985ccc89c27a58ec1ff1608ced03c72f8d

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
SignatureaGmdQLLGPTaAPS37+k1ZXw/xoaraCtno146Sc5rZUHY+nidIejklAnQWfq81PPgVUTgl/gsVGnVKRoh1qp0eBg==
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

2026-09-17T09:47:37.859720ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089481
observed ae441e0315dc65492772456d9a2dbe55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:37.841724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089481/manifest.json
observed dbdcffe5950e7e3af34796bd6f4fd798...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:37.822820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089481/publication.md
observed 45dee89f3de9deb9eb25ca07104e5632...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:47:37.804426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089481/publication.txt
observed 5f49ebad6ce56c712431c7cdc2487389...
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.