OpenTechnical

OT-2026-000072908

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, 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-2026-000072908) never changes.

Identity and time

Publication numberOT-2026-000072908 · never reused
Internal UUID01a0ae92-c814-74bc-aba3-fa9fdd8522c7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072908
StatusPUBLIC

Content hashes

Canonical textd6db5e444d1351de8d54a008bd68f849137c06f22fddc4335a0d96b6f6df353c
Markdownad02bbbda24c25f82405a93ee654f394966778c6b84d34bdbaffc79186f746e4
PDF
Publication paged2c9455aac862f98f9d0da62af40d85adca1e06efe10b6fb84e6dc11211da123
Manifesta372131ac801470276c6ee09702d37db0304586ea960aa3f726491dbdcdfbe6a

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
SignatureDD56IBA9vdXSV51BVrtATOrpH4XL1EIZ5Vh6W38xL5YKQOajSbs2DwP4Qw8QEZqy4U1ZGKPHTZNN1BVH724UCA==
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

2026-09-17T10:21:49.094493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072908
observed d2c9455aac862f98f9d0da62af40d85a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:49.074457ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072908/manifest.json
observed a372131ac801470276c6ee09702d37db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:49.054531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072908/publication.md
observed ad02bbbda24c25f82405a93ee654f394...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:49.035548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072908/publication.txt
observed d6db5e444d1351de8d54a008bd68f849...
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.