OpenTechnical

OT-2026-000007027

Publication integrity record

Porous face vacuum gripper, four zone face, three stage ejector, pressure verified, closed cell

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-2026-000007027) never changes.

Identity and time

Publication numberOT-2026-000007027 · never reused
Internal UUID01a0a970-09f5-74e7-a62b-b5d6d71e5fc1 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:58:07.223907Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007027
StatusPUBLIC

Content hashes

Canonical text6ab6d1bbac37a020a66eaf6a85d146f2107c45fb9e90c2734a8989f95be2ed7a
Markdownbcb787ad78a6b660c0fcc8e3574443a94d1dd3901868e1492bb8e404a44a7a3c
PDF
Publication page0fbf574531f7379c1bfa427e079cdd8a5a9305df757734bfdd36f6b137ce7a42
Manifestd68d64d44a80527911a27a4161552be3dec1d8379f95265c4294d24f4a99506b

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
Signaturem8TM4tjDPyCUGmFiwNf8i/rteuQsLiSIBROWtn/icx4ClAndHy7kG8clOFNzf04Nq9M0bGyp5MUn0pxawVc4Cg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T09:07:03Z
batch OT-TS-2026-W38-014 · RFC 3161 token · inclusion proof
root 2354c19da800f8df297acf3cddd64d4d...

Independent retrieval

2026-09-16T09:00:10.206335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007027
observed 0fbf574531f7379c1bfa427e079cdd8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:10.193276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007027/manifest.json
observed d68d64d44a80527911a27a4161552be3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:10.180653ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007027/publication.md
observed bcb787ad78a6b660c0fcc8e3574443a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T09:00:10.166189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007027/publication.txt
observed 6ab6d1bbac37a020a66eaf6a85d146f2...
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.