OpenTechnical

OT-2026-000076543

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, three stage ejector, pressure sensor per zone, pulsed 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-2026-000076543) never changes.

Identity and time

Publication numberOT-2026-000076543 · never reused
Internal UUID01a0ae94-b06d-726e-bd49-e20e2d685660 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076543
StatusPUBLIC

Content hashes

Canonical text5ac33ebae2be7f63b902da61577ca6ed4408ef50f13bd9f8f31d25d6d2bb2f3e
Markdownf5fe25502d5b44d190514103728a7144681b3f39b0e6a05738791f5d57cf5983
PDF
Publication page92404e14ee938c380c79d3c84233a041268e1b1fa636cf8796c7327847e9e6a0
Manifest07b42adbc638c64fe0bbad7d350e1529bbd22b40ccdb59752641efd40839e880

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
SignatureLpZEdBXOACZTuUefG85rGa+j8hwAiGKm4a2vDapcFqm2tVJ5SpGMeRN+di9ilDHkb7WopYVGArQ1/7d4lvEjCg==
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

2026-09-17T10:09:15.399092ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076543
observed 92404e14ee938c380c79d3c84233a041...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:15.378236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076543/manifest.json
observed 07b42adbc638c64fe0bbad7d350e1529...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:15.357828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076543/publication.md
observed f5fe25502d5b44d190514103728a7144...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:15.337788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076543/publication.txt
observed 5ac33ebae2be7f63b902da61577ca6ed...
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.